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KEYLESS UNIT INSPECTION

BHE091467820W02

1. Measure voltage or inspect for continuity according to the Terminal Voltage Table (Reference).

  • If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under "Inspection item (s)".

2. If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, perform symptom troubleshooting.

## Terminal Voltage Table (Reference)

Terminal | Signal name | Connected to | Measurement condition | Voltage (V)/Continuity | Inspection item (s)
--- | --- | --- | --- | --- | ---
1A | Power supply | D.LOCK 15 A fuse | Under any condition | B+ | • D.LOCK 15 A fuse • Battery • Inspect related harness.
1B | Interior light control | • Map light • Interior light • Courtesy light • Ground illumination light | Within 5 min after any door is opened. | 1.2 or less | • ROOM 15 A fuse • Map light (See MAP LIGHT INSPECTION.) • Interior light (See INTERIOR LIGHT INSPECTION.) • Courtesy light • Ground illumination light • Door switch (See DOOR SWITCH INSPECTION.) • Rear door upper latch (See REAR DOOR UPPER LATCH SWITCH INSPECTION.) • Rear door lower latch (See REAR DOOR LOWER LATCH SWITCH INSPECTION.) • Inspect related harness.
5 min or more after any door is opened. | B+
All doors are closed. | B+
1C | Unlock output | Front door lock actuator | While door lock actuator is unlocking. | 1.0 or less→ B+→ 1.0 or less | • Front door lock actuator (See FRONT DOOR LOCK ACTUATOR INSPECTION.) • D.LOCK 15 A fuse
Other | 1.0 or less
1D | Lock output | Front door lock actuator | While lock actuator is locking. | 1.0 or less→ B+→ 1.0 or less | • Front door lock actuator (See FRONT DOOR LOCK ACTUATOR INSPECTION.) • D.LOCK 15 A fuse
Other | 1.0 or less
1E | GND | Body ground | Under any condition: Inspect for continuity to ground. | Continuity detected | GND
1F | Double lock output | Front door lock actuator | While lock actuator is double locking. (Transmitter UNLOCK button is pressed twice within 5 s.) | 1.0 or less→ B+→ 1.0 or less | • Front door lock actuator (See FRONT DOOR LOCK ACTUATOR INSPECTION.) • D.LOCK 15 A fuse
Other | 1.0 or less
2A | Power supply | ROOM 15 A fuse | Under any condition | B+ | ROOM 15 A fuse
2B | IG1 | Ignition relay | Ignition switch at ON | B+ | • Ignition relay • Inspect related harness.
Ignition switch at LOCK or ACC | 1.0 or less
2D | Bonnet open/closed | Bonnet latch switch | Bonnet open. | 5 | • Bonnet latch switch (See BONNET LATCH SWITCH INSPECTION.) • D.LOCK 15 A fuse • Inspect related harness.
Bonnet closed. | 1.0 or less
2E | Trunk lid unlock | Trunk lid opener relay | Transmitter trunk lid button is pressed. | B+→ 1.2 or less→ B+ | • Trunk lid opener relay (See RELAY INSPECTION.) • Trunk lid opener cancel switch (See TRUNK LID OPENER CANCEL SWITCH INSPECTION.) • Inspect related harness.
Other | B+
2F | Key reminder switch | Key reminder switch | Key is in steering lock. (key reminder switch on) | B+ | • Key reminder switch (See KEY REMINDER SWITCH INSPECTION.) • Inspect related harness.
Other | 1.0 or less
2G | Trunk compartment light switch on/off | Trunk compartment light switch | Trunk lid is open. | 1.0 or less | • Trunk compartment light switch • Trunk compartment light • Inspect related harness.
Trunk lid is closed. | B+
2L | Unlock input (Passenger-door lock-link switch) | Passenger-door lock-link switch | Passenger-door is locked. | 5 | Passenger-door lock-link switch (See FRONT DOOR LOCK ACTUATOR INSPECTION.)
Passenger-door is unlocked. | 1.0 or less
2I | Hazard | Flasher unit | Transmitter LOCK button operated | B+→ 1.0 or less→ B+ | • Flasher unit • Inspect related harness.
Transmitter UNLOCK button operated | B+→ 1.0 or less→ B+→ 1.0 or less→ B+
Theft-deterrent system alarm: Active | 1.0 or less
2J | Security light | Instrument cluster | Security light off | B+ | • Instrument cluster (See INSTRUMENT CLUSTER INSPECTION.) • Inspect related harness.
Within approx. 3 s after ignition switch is turned to ON position (security light illuminates) | 5.5 or less
2K | Door open/closed | Door switch | Any door is open. (Door switch on) | 2.0 or less | • Instrument cluster (See INSTRUMENT CLUSTER INSPECTION.) • Door switch (See DOOR SWITCH INSPECTION.) • Rear door upper latch (See REAR DOOR UPPER LATCH SWITCH INSPECTION.) • Rear door lower latch (See REAR DOOR LOWER LATCH SWITCH INSPECTION.) • Inspect related harness.
All doors are closed. (Door switch off) | B+
2M | Intruder sensor power supply | Intruder sensor | Theft-deterrent system pre-arming, arming, or alarm | Alternates between B+ and 2.0 or more | • Inspect related harness
Other | 1.0 or less
2N | ENABLE | Keyless receiver | Any transmitter button is pressed without key in steering lock. (key reminder switch off) | 5→ 1.0 or less | • Keyless receiver (See KEYLESS RECEIVER INSPECTION.) • Inspect related harness.
Key is in steering lock. (key reminder switch on) | 5
2P | DATA | Keyless receiver | Any transmitter button is pressed without key in steering lock. (key reminder switch off) | 1.0 or less → changes positively | • Keyless receiver (See KEYLESS RECEIVER INSPECTION.) • Inspect related harness.
Key is in steering lock. (key reminder switch on) | 1.0 or less
2Q | Lock input (Driver-side door lock-link switch) | Driver-side door lock-link switch | Driver-side door is locked. | 1.0 or less | Driver-side door lock-link switch (See FRONT DOOR LOCK ACTUATOR INSPECTION.)
Driver-side door is unlocked. | 5
2R | Unlock input (Driver-side door lock-link switch) | Driver-side door lock-link switch | Driver-side door is locked. | 5 | Driver-side door lock-link switch (See FRONT DOOR LOCK ACTUATOR INSPECTION.)
Driver-side door is unlocked. | 1.0 or less
2S | Lock/unlock input (Driver-side door key cylinder switch) | Driver-side door key cylinder switch | Driver-side door key cylinder is locked. | Approx. 2.5 | • Driver-door key cylinder switch (See FRONT DOOR LOCK ACTUATOR INSPECTION.) • Inspect related harness.
Driver-side door key cylinder is unlocked. | 1.0 or less
Other | 5
2T | Theft-deterrent siren on/off | Theft-deterrent siren | Theft-deterrent system: Arming | Alternates between 1.0 or less and B+ | • Inspect related harness
Theft-deterrent system : disarming | B+
2U | Lock release power supply | Buckle switch | Within 60 min after any door is opened | B+ | • Instrument cluster (See INSTRUMENT CLUSTER INSPECTION.) • Door switch (See DOOR SWITCH INSPECTION.) • Rear door upper latch (See REAR DOOR UPPER LATCH SWITCH INSPECTION.) • Rear door lower latch (See REAR DOOR LOWER LATCH SWITCH INSPECTION.) • Front buckle switch (See FRONT BUCKLE SWITCH INSPECTION.) • Inspect related harness.
All doors are closed. | No Continuity
60 min after any door is opened | Continuity detected
2W | GND | Body ground | Under any condition: Inspect for continuity to ground. | Continuity detected | GND
2X | Intruder sensor on/off | Intruder sensor | Theft-deterrent system: Active | 1.0 or less | • Inspect related harness
Theft-deterrent system: Other | Alternates between B+ and 4.5 or more
3A | HS-CAN+ | PCM | Under any condition: Inspect wiring harness to PCM for continuity. | Continuity detected | -
3B | HS-CAN- | PCM | Under any condition: Inspect wiring harness to PCM for continuity. | Continuity detected | -
3E | Tx | Coil | Ignition switch at ON | 8 or more | Coil
Ignition switch at LOCK or ACC | 1.0 or less
3F | Rx | Coil | Ignition switch at ON | 8 or more | Coil
Ignition switch at LOCK or ACC | 1.0 or less