( TL19E00K80100081860FAAT00 )

DTC Troubleshooting: 86

DTC 86:
F-CAN Communication

1. Turn the ignition switch to ON (II).

1. Clear the DTC with the HDS.

1. Start and run the engine for at least 5 seconds.

1. Check for DTCs with the HDS.

Is DTC 86 indicated?

YES | - | Go to Step 5 .
NO | - | Check the COMMU FI ECU, COMMU A/T, COMMU GAUGE, COMMU YAW RATE/G, and COMMU ACC in the VSA FREEZE DATA with the HDS. Then check for F-CAN communication lines continuty to the appropriate system or sensor and loose terminals in the appropriate system or sensor connectors.■

1. Check the COMMU FI ECU, COMMU A/T, COMMU GAUGE, COMMU YAW RATE/G, and COMMU ACC in the VSA DATA LIST with the HDS.

Is there communication error in the system or sensor?

YES | - | Go to Step 6 .
NO | - | Go to Step 9 .

1. Check for F-CAN communication lines continuity to the appropriate system or sensor.

Is there F-CAN communication lines continuity?

YES | - | Go to Step 7 .
NO | - | Repair open in the appropriate wire.■

1. Check for loose terminals in the appropriate system or sensor connectors.

Is there appropriate system or sensor connectors OK?

YES | - | Go to Step 8 .
NO | - | Repair or reconnect the connector securely.■

1. Check for the appropriate system or sensor DTCs with the HDS.

Is DTC indicated?

YES | - | Do the appropriate DTC troubleshooting.■
NO | - | Go to Step 9 .

1. Update the VSA modulator-control unit if it does not have the latest software. If the unit already has the latest software, substitute a known-good VSA modulator-control unit.

1. Start and run the engine for at least 5 seconds.

1. Check for DTCs with the HDS.

Is DTC 86 indicated?

YES | - | Check for loose terminals in the VSA modulator-control unit 47P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit, then retest. If the VSA modulator-control unit was substituted, go to Step 1 .
NO | - | If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.■