PCM INSPECTION [LF]

#
PCM INSPECTION [LF]

B3E014018880W14

## Without Using the SST

  Note

  • The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle, causing false diagnosis. Therefore determine comprehensively where the malfunction occurs among the input systems, output systems, and the PCM.

Terminal | Signal | Connected to | Test condition | Voltage (V) | Inspection item
--- | --- | --- | --- | --- | ---
1A*1 | VSS power supply | VSS | Ignition switch is turned to the ON position. | B+ | • Related wiring harness
1B*1 | Shift solenoid A | Shift solenoid A | (See Inspection Using An Oscilloscope (Reference).) | • Shift solenoid A • Related wiring harness
1C*1 | Shift solenoid B | Shift solenoid B | (See Inspection Using An Oscilloscope (Reference).) | • Shift solenoid B • Related wiring harness
1D*1 | Shift solenoid C | Shift solenoid C | (See Inspection Using An Oscilloscope (Reference).) | • Shift solenoid C • Related wiring harness
1E*1 | Shift solenoid D | Shift solenoid D | P or N position | B+ | • Shift solenoid D • Related wiring harness
Except above | 1.0 or less
1F*1 | Shift solenoid E | Shift solenoid E | During TCC operation | B+ | • Shift solenoid E • Related wiring harness
Except above | 1.0 or less
1G*1 | Pressure control solenoid (+) | Pressure control solenoid | (See Inspection Using An Oscilloscope (Reference).) | • Pressure control solenoid • Related wiring harness
1H*1 | Pressure control solenoid (-) | Pressure control solenoid | (See Inspection Using An Oscilloscope (Reference).) | • Pressure control solenoid • Related wiring harness
1I | - | - | - | - | -
1J*1 | Vehicle speed | VSS | (See Inspection Using An Oscilloscope (Reference).) | • VSS • Related wiring harness
1K*1 | Manual up | Up switch | Ignition switch is turned to the ON position. | Detects up-shift operation of selector lever in M range | 1.0 or less | • Selector lever • Related wiring harness
Others | B+
1L | - | - | - | - | -
1M*1 | Input/turbine speed sensor (+) | Input/turbine speed sensor | (See Inspection Using An Oscilloscope (Reference).) | • Input/turbine speed sensor • Related wiring harness
1N | - | - | - | - | -
1O | *2Clutch operation | CPP switch | Clutch pedal depressed | Below 1.0 | • CPP • Related harness
Clutch pedal released | B+
*1M range switch | M range switch | Ignition switch is turned to the ON position. | M range | 1.0 or less | • Selector lever • Related wiring harness
Except above | B+
1P*1 | Manual down | Down switch | Ignition switch is turned to the ON position. | Detects down-shift operation of selector lever in M range | 1.0 or less | • Selector lever • Related wiring harness
Others | B+
1Q*1 | Input/turbine speed sensor (-) | Input/turbine speed sensor | (See Inspection Using An Oscilloscope (Reference).) | • Input/turbine speed sensor • Related wiring harness
1R | Refrigerant pressure switch (middle) | Refrigerant pressure switch (middle) | A/C ON | Refrigerant pressure is above 1.52 MPa {15.5 kgf/cm2, 220 psi} | Below 1.0 | • Refrigerant pressure switch • Related harness
Refrigerant pressure is below 1.23 MPa {12.5 kgf/cm2, 178 psi} | B+
1S | *2Neutral position | Neutral switch | Shift lever is at neutral position | Below 1.0 | • Neutral switch • Related harness
Shift lever is not at neutral position | B+
*1Selector lever position | TR switch | Ignition switch is turned to the ON position. | P position | Approx. 4.6 | • TR switch • Related wiring harness
R position | Approx. 3.9
N position | Approx. 3.2
D range | Approx. 2.5
M range | Approx. 2.5
1T | - | - | - | - | -
1U*1 | ATF temperature | TFT sensor | Ignition switch is turned to the ON position. | TFT is 20 °C {68 °F} | Approx. 3.3 | • TFT sensor • Related wiring harness
TFT is 40 °C {104 °F} | Approx. 2.4
TFT is 60 °C {140 °F} | Approx. 1.5
1V | - | - | - | - | -
1W | Cooling fan control | Fan control module | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Fan control module. • Related harness
1X | - | - | - | - | -
1Y | - | - | - | - | -
1Z | - | - | - | - | -
1AA | Sensor GND | MAF/IAT sensor, BARO sensor, TFT sensor*1, TR switch*1 | Under any condition | Below 1.0 | • Related harness
1AB | Starter relay control | Starter relay | Under any condition | Below 1.0 | • Starter relay • Related harness
1AC | MAF | MAF sensor | Ignition switch ON | Approx. 0.7 | • MAF sensor • Related harness
Idle (after warm up) | Approx. 1.2
1AD | - | - | - | - | -
1AE | Constant voltage (Vref) | MAP sensor | Ignition switch ON | Approx. 5.0 | • Related harness
1AF | - | - | - | - | -
1AG | Atmospheric pressure | BARO sensor | Ignition switch ON (at sea level) | Approx. 4.0 | • BARO sensor • Related harness
1AH | IAT | MAF/IAT sensor | Ignition switch ON | IAT 0 °C {32 °F} | Approx. 3.43 | • IAT sensor • Related harness
IAT 20 °C {68 °F} | Approx. 2.38
IAT 40 °C {104 °F} | Approx. 1.49
IAT 60 °C {140 °F} | Approx. 0.89
IAT 80 °C {176 °F} | Approx. 0.53
IAT 100 °C {212 °F} | Approx. 0.33
1AI | CAN (L) | Instrument cluster, ABS HU/CM, DSC HU/CM, Electrical P/S pump | Because this terminal is for CAN, good/no good judgment by terminal voltage is not possible. | • Related harness
1AJ | - | - | - | - | -
1AK | - | - | - | - | -
1AL | - | - | - | - | -
1AM | CAN (H) | Instrument cluster, ABS HU/CM, DSC HU/CM, Electrical P/S pump | Because this terminal is for CAN, good/no good judgment by terminal voltage is not possible. | • Related harness
1AN | A/C | A/C relay | Idle | A/C operating | Below 1.0 | • A/C relay • Related harness
A/C not operating | B+
1AO | - | - | - | - | -
1AP | A/C on signal | Refrigerant pressure switch (high and low) | Idle | A/C switch and fan switch on | Below 1.0 | • Refrigerant pressure switch • Related harness
A/C switch off | B+
1AQ | - | - | - | - | -
1AR | Fuel pump control | Fuel pump relay | Ignition switch ON | B+ | • Fuel pump relay • Related harness
Cranking | Below 1.0
Idle | Below 1.0
1AS | - | - | - | - | -
1AT | Main relay control | Main relay | Ignition switch OFF | B+ | • Main relay • Related harness
Ignition switch ON | Below 1.0
1AU | Brake | Brake switch | Brake pedal depressed | B+ | • Brake switch • Related harness
Brake pedal released | Below 1.0
1AV*1 | Internal GND | Input/turbine speed sensor shield wire | Under any condition | 1.0 or less | • Related wiring harness
1AW | - | - | - | - | -
1AX | - | - | - | - | -
1AY | - | - | - | - | -
1AZ | GND | GND | Under any condition | Below 1.0 | • Related harness
1BA | Back-up power supply | Battery (positive terminal) | Under any condition | B+ | • Battery • Related harness
1BB | - | - | - | - | -
1BC | GND | GND | Under any condition | Below 1.0 | • Related harness
1BD | GND | GND | Under any condition | Below 1.0 | • Related harness
1BE | B+ | Main relay | Ignition switch OFF | Below 1.0 | • Battery • Related harness
Ignition switch ON | B+
1BF | - | - | - | - | -
1BG | GND | GND | Under any condition | Below 1.0 | • Related harness
1BH | GND | GND | Under any condition | Below 1.0 | • Related harness
2A | - | - | - | - | -
2B | - | - | - | - | -
2C | Rear HO2S heater control | HO2S (Rear) heater | Ignition switch ON | Engine speed below 3,900 rpm | B+ | • HO2S (Front) heater. • Related harness
Engine speed above 3,900 rpm | Below 1.0
2D | - | - | - | - | -
2E | IAC (+) | IAC valve | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • IAC valve • Related harness
2F | IAC (-) | IAC valve | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • IAC valve • Related harness
2G | Front HO2S heater control | HO2S (Front) heater | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • HO2S (Front) heater. • Related harness
2H | - | - | - | - | -
2I | Throttle position | TP sensor | Ignition switch ON | CTP | 0.65-1.15 | • TP sensor • Related harness
WOT | 4.3-4.8
2J | - | - | - | - | -
2K | - | - | - | - | -
2L | - | - | - | - | -
2M | - | - | - | - | -
2N | - | - | - | - | -
2O | - | - | - | - | -
2P | GND | GND | Under any condition | Below 1.0 | • Related harness
2Q | Knocking (+) | KS | Ignition switch ON (Use digital type voltmeter, because measurement voltage will be detected less than true voltage when using analog type voltmeter) | Approx. 4.3 | • KS • Related harness
2R | Knocking (-) | KS | Ignition switch ON (Use digital type voltmeter, because measurement voltage will be detected less than true voltage when using analog type voltmeter) | Below 1.0 | • KS • Related harness
2S | - | - | - | - | -
2T | - | - | - | - | -
2U | CMP (+) | CMP sensor | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • CMP sensor • Related harness
2V | CMP (-) | CMP sensor | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • CMP sensor • Related harness
2W | Constant voltage (Vref) | BARO sensor, TP sensor | Ignition switch ON | Approx. 5.0 | • Related harness
2X | - | - | - | - | -
2Y | CKP (+) | CKP sensor | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • CKP sensor • Related harness
2Z | CKP (-) | CKP sensor | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • CKP sensor • Related harness
2AA | Sensor GND | HO2S (Front, Rear), ECT sensor, TP sensor, MAP sensor | Under any condition | Below 1.0 | • Related harness
2AB | - | - | - | - | -
2AC | - | - | - | - | -
2AD | - | - | - | - | -
2AE | - | - | - | - | -
2AF | - | - | - | - | -
2AG | Front HO2S | HO2S (front) | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • HO2S (front) • Related harness
2AH | Rear HO2S | HO2S (rear) | Ignition switch ON | Approx. 0 | • HO2S (rear) • Related harness
Idle (after warm up) | Alternates between 0 and 1.0
2AI | Variable tumble control | Variable tumble solenoid valve | ECT above 63 °C {145 °F} while idling. | B+ | • Variable tumble solenoid valve • Related harness
ECT below 63 °C {145 °F} and engine speed below 3,750 rpm | Below 1.0
2AJ | Variable intake-air control | Variable intake-air solenoid valve | Ignition switch ON | Below 1.0 | • Variable intake-air solenoid valve • Related harness
Engine speed: below 4,750 rpm | Below 1.0
Engine speed: above 4,750 rpm | B+
2AK | ECT | ECT sensor | Ignition switch ON | IAT 20 °C {68 °F} | 3.04-3.14 | • ECT sensor • Related harness
IAT 40 °C {104 °F} | 2.09-2.21
IAT 60 °C {140 °F} | 1.29-1.39
IAT 80 °C {176 °F} | 0.76-0.83
IAT 100 °C {212 °F} | 0.45-0.49
2AL | Manifold absolute pressure | MAP sensor | Ignition switch ON (at sea level) | Approx. 4.1 | • MAP sensor • Related harness
Idle | Approx. 1.2
2AM | Generator output voltage | Generator (terminal P) | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Generator • Related harness
2AN | Purge control | Purge solenoid valve | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Purge solenoid valve • Related harness
2AO | - | - | - | - | -
2AP | - | - | - | - | -
2AQ | Generator field coil control | Generator (terminal D) | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Following PIDs: IAT, ECT, RPM, VPWR, ALTT V. • Generator • Related harness
2AR | EGR valve #2 coil control | EGR valve (terminal A) | Ignition switch ON | B+ | • EGR valve • Related harness
Idle | B+
2AS | - | - | - | - | -
2AT | - | - | - | - | -
2AU | EGR valve #1 coil control | EGR valve (terminal E) | Ignition switch ON | Below 1.0 | • EGR valve • Related harness
Idle | Below 1.0
2AV | EGR valve #4 coil control | EGR valve (terminal F) | Ignition switch ON | Below 1.0 | • EGR valve • Related harness
Idle | Below 1.0
2AW | - | - | - | - | -
2AX | - | - | - | - | -
2AY | EGR valve #3 coil control | EGR valve (terminal B) | Ignition switch ON | B+ | • EGR valve • Related harness
Idle | B+
2AZ | Fuel injection (#4) | Fuel injector No.4 | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Fuel injector No.4 • Related harness
2BA | - | - | - | - | -
2BB | Fuel injection (#1) | Fuel injector No.1 | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Fuel injector No.1 • Related harness
2BC | Fuel injection (#2) | Fuel injector No.2 | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Fuel injector No.2 • Related harness
2BD | Fuel injection (#3) | Fuel injector No.3 | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Fuel injector No.3 • Related harness
2BE | IGT1 | Ignition coil (No.1 cylinders) | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Ignition coil • Related harness
2BF | IGT2 | Ignition coil (No.2 cylinders) | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Ignition coil • Related harness
2BG | IGT3 | Ignition coil (No.3 cylinders) | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Ignition coil • Related harness
2BH | IGT4 | Ignition coil (No.4 cylinders) | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Ignition coil • Related harness

  *1 :
ATX
  *2 :
MTX

## Inspection Using An Oscilloscope (Reference)

### Shift solenoid A signal

PCM terminals

  • 1B (+)-Negative battery terminal (-)

Oscilloscope setting

  • 5 V/DIV (Y), 5 ms/DIV (X), DC range

Vehicle condition

  • 4GR

### Shift solenoid B signal

PCM terminals

  • 1C (+)-Negative battery terminal (-)

Oscilloscope setting

  • 5 V/DIV (Y), 5 ms/DIV (X), DC range

Vehicle condition

  • 1GR (except L range (HOLD))

### Shift solenoid C signal

PCM terminals

  • 1D (+)-Negative battery terminal (-)

Oscilloscope setting

  • 5 V/DIV (Y), 5 ms/DIV (X), DC range

Vehicle condition

  • 1GR or 2GR

### Pressure control solenoid (+) signal

PCM terminals

  • 1G (+)-Negative battery terminal (-)

Oscilloscope setting

  • 5 V/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition

  • All of the following conditions are met.
  - Ignition switch is turned to the ON position. (engine off)
  - P or N position
  - CTP

### Pressure control solenoid (-) signal

PCM terminals

  • 1H (+)-Negative battery terminal (-)

Oscilloscope setting

  • 200 mV/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition

  • All of the following conditions are met.
  - Ignition switch is turned to the ON position. (engine off)
  - P or N position
  - CTP

### Vehicle speed signal

PCM terminals

  • 1J (+)-Negative battery terminal (-)

Oscilloscope setting

  • 1 V/DIV (Y), 2.5 ms/DIV (X), DC range

Vehicle condition

  • Vehicle speed is 32 km/h {20 mph}.

### Input/turbine speed sensor (+) signal

PCM terminals

  • 1M (+)-Negative battery terminal (-)

Oscilloscope setting

  • 500 mV/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm-up

### Input/turbine speed sensor (-) signal

PCM terminals

  • 1Q (+)-Negative battery terminal (-)

Oscilloscope setting

  • 500 mV/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm-up

### Cooling fan control signals

PCM terminals

  • 1W(+)-1AA(-)

Oscilloscope setting

  • 5 V/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C ON)

### IAC signal

(+)

PCM terminals

  • 2E(+)-2AA(-)

Oscilloscope setting

  • 5 V/DIV (Y), 2 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

(-)

PCM terminals

  • 2F(+)-2AA(-)

Oscilloscope setting

  • 3 V/DIV (Y), 1.5 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### HO2S (front) heater control signal

PCM terminals

  • 2G(+)-2AA(-)

Oscilloscope setting

  • 5 V/DIV (Y), 125 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### CMP sensor signal

(+)

PCM terminals

  • 2U(+)-2AA(-)

Oscilloscope setting

  • 1 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

(-)

PCM terminals

  • 2V(+)-2AA(-)

Oscilloscope setting

  • 1 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### CKP sensor signal

(+)

PCM terminals

  • 2Y(+)-2AA(-)

Oscilloscope setting

  • 2 V/DIV (Y), 10 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

(-)

PCM terminals

  • 2Z(+)-2AA(-)

Oscilloscope setting

  • 2 V/DIV (Y), 10 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### HO2S (front) signal

PCM terminals

  • 2AG(+)-2AA(-)

Oscilloscope setting

  • 0.2 V/DIV (Y), 500 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### Generator output voltage signal

PCM terminals

  • 2AM (+)-2AA (-)

Oscilloscope setting

  • 2 V/DIV (Y), 2.5 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### Generator field coil control signal

PCM terminals

  • 2AQ(+)-2AA(-)

Oscilloscope setting

  • 0.5 V/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### Fuel injection control

PCM terminals

  • Fuel Injection No.1: 2BB(+)-1AZ(-)
  • Fuel Injection No.2: 2BC(+)-1AZ(-)
  • Fuel Injection No.3: 2BD(+)-1AZ(-)
  • Fuel Injection No.4: 2AZ(+)-1AZ(-)

Oscilloscope setting

  • 10 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

### IGT1, IGT2 control signals

PCM terminals

  • IGT1 (No.1): 2BE(+)-1BG(-)
  • IGT2 (No.2): 2BF(+)-1BC(-)
  • IGT3 (No.3): 2BG(+)-1BG(-)
  • IGT4 (No.4): 2BH(+)-1BC(-)

Oscilloscope setting

  • 10 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition

  • Idle after warm up (engine speed approx. 650 rpm, no load, A/C off)

## Using SST (WDS or Equivalent)

  Note

  • PIDs for the following parts are not available on this model. Go to the appropriate part inspection page.

  - CMP sensor (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION [LF].)
  - Main relay (See RELAY INSPECTION.)

1. Connect the SST (WDS or equivalent) to the DLC-2.

2. Turn the ignition switch to ON position.

3. Measure the PID value.

  • If PID value is not within the specification, follow the instructions in Action column.

  Note

  • The PID/DATA MONITOR function monitors the calculated value of the input/output signals in the PCM. Therefore, an output device malfunction is not directly indicated as a malfunction of the monitored value for the output device. If a monitored value of an output device is out of specification, inspect the monitored value of the input device related to the output control.
  • For input/output signals except those of the monitoring items, use a voltmeter to measure the PCM terminal voltage.
  • The simulation items that are used in the ENGINE CONTROL SYSTEM OPERATION INSPECTION are as follows.

  - ACCS
  - ALTF
  - ARPMDES
  - EVAPCP
  - FAN_DUTY
  - FP
  - FUELPW1
  - GENVDSD
  - HTR11
  - HTR12
  - IAC
  - IMRC
  - IMTV
  - INJ_1
  - INJ_2
  - INJ_3
  - INJ_4
  - SEGRP

PID/DATA monitor table (reference)

Monitor item (Definition) | Unit/Condition | Condition/Specification (Reference) | Inspection item | PCM terminal
--- | --- | --- | --- | ---
AC_REQ (Refrigerant pressure switch (low pressure switch, high pressure switch)) | On/Off | • Refrigerant pressure is more than the specification or less than the specification. (Refrigerant pressure switch (low pressure switch, high pressure switch) is off.): Off • Others: On | • Refrigerant pressure switch (low pressure switch, high pressure switch) | 1AP
ACCS (A/C relay) | On/Off | • Ignition switch ON: Off • A/C switch ON and fan switch ON at idle: On | The following PIDs: RPM, TP, ECT, ACSW. A/C relay | 1AN
ALTF (Generator field coil control duty value) | % | • Ignition switch ON: 0% • Idle: 0-100% • Just after A/C switch ON and fan switch ON at idle: Duty value rises | The following PIDs: IAT, ECT, RPM, VPWR, ALTT V. Generator | 2AQ
ALTT V (Generator output voltage) | V | • Ignition switch ON: 0 V • Idle: Approx. 14 V*1 (E/L not operating) | Generator | 2AM
ARPMDES (Target engine speed) | RPM | • Indicate the target engine speed | The following PIDs: CPP, CPP/PNP, PSP, ECT, IAT, RPM, TP, MAF, BARO, VSS, AC_REQ, COLP IAC valve | -
BARO (Barometric pressure) | KPa | • ignition switch ON: indicate the atmospheric pressure | BARO sensor | 1AG
V | • Approx. 4 V (at sea level)
BOO (Brake switch) | On/Off | • Brake pedal depressed: On • Brake pedal released: Off | Brake switch | 1AU
CATT11_DSD (Catalyst temperature) | °C | °F | • Indicate the catalyst temperature | - | -
CHRGLP (Generator warning light) | On/Off | • Ignition switch ON: On • Idle: Off | Perform applicable DTC troubleshooting. | -
COLP (Refrigerant pressure switch (middle)) | On/Off | • Refrigerant pressure switch (middle) ON*4 at idle: On • Refrigerant pressure switch (middle) OFF*5 at idle: Off | Refrigerant pressure switch | 1R
CPP (Clutch pedal position) | On/Off | • Clutch pedal depressed: On • Clutch pedal released: Off | CPP switch | 1O
CPP/PNP (Shift lever position) | Drive/Neutral | • Neutral position: Neutral • Others: Drive | Neutral switch | 1S
DTCCNT (Number of DTC detected) | - | - | Perform applicable DTC troubleshooting | -
DWN SW*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
ECT (Engine coolant temperature) | °C | °F | • Ignition switch ON: indicate the ECT | ECT sensor | 2AK
V | • ECT 20 °C {68 °F}: 3.04-3.14 V • ECT 60 °C {140 °F}: 1.29-1.39 V
EQ_RAT_DSD (Theoretical air/fuel ratio coefficient to calculate target air/fuel ratio) | - | • Idle: approx. 1 • Racing (after warm up): 0.8-1 | The following PIDs: IAT, RPM, ECT, MAF, O2S11,BARO, INGEAR, VPWR. | -
EVAPCP (Purge solenoid valve duty value) | % | • Ignition switch ON: 0% • Idle: 0-9% | The following PIDs: IAT, RPM, ECT, MAF, O2S11,BARO, INGEAR, VPWR. | 2AN

FAN_DUTY
(Cooling fan control)

%

• When all of following condition are met: 90%

  - Test mode ON
  - WOT

The following PIDs: RPM, TP, ECT, ACSW, COLP, TEST.
Fan control module

1W

FP (Fuel pump relay) | On/Off | • Ignition switch ON: On (1 s) →Off • Idle: ON • Cranking: On | The following PIDs: RPM. Fuel pump relay | 1AR
FUELPW (Fuel injector duration) | ms | • Ignition switch ON: 0 ms • Idle (after warm up): approx. 2.0 ms | The following PIDs: IAT, MAF, TP, MAP, ECT, RPM, O2S11, O2S12, INGEAR, ACSW, VPWR, ALTT V. Fuel injector | 2AZ 2BB 2BC 2BD
FUELSYS (Fuel system status) | OL/OL_Fault/CL_Fault/CL/OL_Drive | • Ignition switch ON: OL-Drive (Open loop) • Idle (after warm up): CL (Closed loop) | The following PIDs: IAT, MAF, TP, MAP, ECT, RPM, O2S11, O2S12, INGEAR, ACSW, VPWR, ALTT V. Fuel injector | -
GEAR*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
GENVDSD (Generator voltage desired) | V | • Indicate the generator voltage desired | Perform applicable DTC troubleshooting. | -
HTR11 (HO2S heater (front)) | On/Off | • Idle (after warm up): On⇔Off | The following PIDs: IAT, MAF, TP, ECT, RPM, ACSW. | 2G
HTR12 (HO2S heater (rear)) | On/Off | • Ignition switch ON: Off (HO2S heater not operating) • Idle: On (HO2S heater operating) | The following PIDs: IAT, MAF, ECT, RPM, ACSW. | 2C
IAC (IAC valve) | % | • Ignition switch ON: 0 % • Idle: Approx. 20% (ECT 100 °C {212 °F} and E/L not operating) | The following PIDs: IAT, RPM, MAP, ECT, MAF, TP, INGEAR, ACSW. IAC valve | 2E 2F
IAT (Intake air temperature) | °C | °F | • Ignition switch ON: indicate the IAT | IAT sensor | 1AH
V | • IAT 20 °C {68 °F}: 2.4-2.6 V • IAT 30 °C {86 °F}: 1.7-1.9 V
IMRC (Variable tumble solenoid valve) | On/Off | • Engine speed is below approx. 3,750 rpm and low ECT: On • Others: Off | The following PIDs: TP, ECT, RPM. Variable tumble solenoid valve | 2AI
IMTV (Variable Intake-air solenoid valve) | On/Off | • Engine speed is below approx. 4,750 rpm: On • Others: Off | The following PIDs: RPM. Variable intake-air solenoid valve | 2AJ
INGEAR (Load/no load condition) | On/Off | MTX • CPP or CPP/PNP is ON: Off • Others: On | Perform applicable DTC troubleshooting. | 1O 1S
ATX • Driving range: On • Except above: Off | • TR switch | -
IVS (CTP condition) | Idle/Off Idle | • CTP: Idle • Others: Off Idle | Perform applicable DTC troubleshooting. | -
KNOCKR (Knocking retard) | ° | • Ignition switch ON: 0 ° • Idle: 0 ° | KS | 2Q 2R
LINEDES*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
LOAD (Engine load) | % | • Ignition switch ON: 0% • Idle (after warm up): approx.20% | MAF sensor | -
LONGFT1 (long term fuel trim) | % | • Idle (after warm up): -15-20% | Perform applicable DTC troubleshooting. | -
LPS*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
MAF (Mass airflow) | g/s | • Ignition switch ON: approx. 0 g/s • Idle (after warm up): approx. 2.5 g/s | MAF sensor | 1AC
V | • Ignition switch ON: approx. 0.7 V • Idle (after warm up): approx. 1.2 V
MAP (Manifold absolute pressure) | KPa | • Ignition switch ON (at sea level): approx. 101 kPa • Idle: approx. 30 kPa | MAP sensor | 2AL
V | • Ignition switch ON (at sea level): approx. 4.1 V • Idle: approx. 1.2 V
MIL (Malfunction indicator lamp) | On/Off | • DTC stored: On • DTC not stored: Off | Perform applicable DTC troubleshooting. | -
MIL_DIS (Travelled distance since MIL illuminated) | km | mile | Indicate the travelled distance since the MIL illuminated
MNL SW*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])

O2S11
(Front HO2S)

V

• Ignition switch ON: 0-1.0 V
• Idle (After warm up): 0-1.0 V
• Acceleration (After warm up):
0.5-1.0 V
• Deceleration (After warm up):
0-0.5 V

HO2S (front)

2AG

O2S12
(Rear HO2S)

V

• Ignition switch ON: 0-1.0 V
•
Idle (After warm up): 0-1.0 V
• Acceleration (After warm up):
0.5-1.0 V
• Deceleration (After warm up):
0-0.5 V

HO2S (rear)

2AH

OP_SW_B*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
PSP (Power steering pressure signal) | High/Low | • Steering wheel is in straight ahead position: Low • Steering wheel is fully turned: High | Power steering | -
RFCFLAG (Readness function code) | Learnt/Not Learnt | • Before running PCM adaptive memory procedure drive mode: Not Learnt • After running PCM adaptive memory procedure drive mode: Learnt | Run PCM adaptive memory procedure drive mode. | -
RO2FT1 (Rear oxygen sensor fuel trim) | - | • Idle (after warm up): approx. -2-2 | Perform applicable DTC troubleshooting. | 2AH
RPM (Engine speed) | RPM | • Indicate the engine speed | CKP sensor | 2Y 2Z
SEGRP (EGR valve (stepping motor) position) | Step | • Ignition switch ON: 0 step • Idle: 0 step • Cranking: 0-52 steps | The following PIDs: MAF, TP, ECT, RPM, VSS. EGR valve | 2AR 2AU 2AV 2AY
SEGRP DSD (Desired EGR valve (stepping motor) position) | % | • When the PCM control the EGR system: indicate the desired EGR valve position | The following PIDs: MAF, TP, ECT, RPM, VSS. EGR valve | -
SHRTFT1 (Short term fuel trim) | % | • Idle (after warm up): approx.-30-25% | Perform applicable DTC troubleshooting. | -
SHRTFT11 (Short term fuel trim) | % | • Idle (after warm up): approx.-5-0% | Perform applicable DTC troubleshooting. | 2AG
SHRTFT12 (Short term fuel trim) | % | • Under any condition: approx. 0% | Perform applicable DTC troubleshooting. | 2AH
SPARKADV (Ignition timing) | ° (BTDC) | • Indicate the ignition timing | The following PIDs: MAF, TP, ECT, RPM, INGEAR, ACSW, VPWR. Ignition timing | 2BE 2BF 2BG 2BH
SSA/SS1*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
SSB/SS2*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
SSC/SS3*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
TCS*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
test (Test mode) | On/Off | - | - | -
TFT*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
TFTV*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
TIRESIZE (Tire size) | - | • Indicate the tire revolution per a mile
TP (TP) | % | • CTP: 13-23% • WOT: 86-96% | TP sensor | 2I
V | • CTP: 0.65-1.15 V • WOT: 4.3-4.8 V
TP REL (Relative TP) | % | • CTP: approx. 0% • WOT: approx. 100% | TP sensor | 2I
TPCT (TP sensor voltage at CTP) | V | • Approx. 0.65-1.15 V | TP sensor | 2I
TR*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
TR_SENS*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
TSS*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
UP SW*6 | (See PID/DATA MONITOR INSPECTION [FN4A-EL])
VPWR (Battery positive voltage) | V | • Ignition switch ON: B+ | Main relay Battery | 1A 1BA 1BD 1BE
Vref (Reference voltage) | V | • Ignition switch ON: approx. 5.0 V | Perform applicable DTC troubleshooting. | 1AE
VSS (Vehicle speed) | KPH | MPH | • Ignition switch ON: indicate the vehicle speed | Perform applicable DTC troubleshooting. | -

  *1 :
Calculated value; differs from terminal voltage
  *2 :
A/C compressor pressure switch
  *3 :
Alternator generating current value
  *4 :
Refrigerant pressure switch (middle) turns on when the refrigerant pressure is 1.69-1.84 MPa {17.3-18.7 kgf/cm2 , 247-265 psi}
  *5 :
Refrigerant pressure switch (middle) turns off when the refrigerant pressure is 1.26-1.49 MPa {12.9-15.1 kgf/cm2 , 184-214 psi}
  *6 :
ATX