[13C] MULTIPORT FUEL INJECTION (MPI) <4G69> - - TROUBLESHOOTING - INSPECTION PROCEDURE FOR DIAGNOSIS CODES - DTC P1602: Communication Malfunction (between Engine-A/T-ECU Main Processor and System LSI) | PRINT PAGE / INDEX / PRIOR / NEXT

DTC P1602: Communication Malfunction (between Engine-A/T-ECU Main Processor and System LSI)
FUNCTION Engine-A/T-ECU checks the communication status for abnormal conditions.
TROUBLE JUDGMENT Check Condition Ignition switch is "ON" position. Judgement Criterion Engine-A/T-ECU detects an error in communication with the throttle actuator control module for 0.07 second.
PROBALE CAUSE Failed engine-A/T-ECU
| DIAGNOSIS
| STEP 1. Check the trouble symptoms. Q: Does trouble symptom persist? YES: Replace engine-A/T-ECU. NO: Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).

[13C] MULTIPORT FUEL INJECTION (MPI) <4G69> - - TROUBLESHOOTING - INSPECTION PROCEDURE FOR DIAGNOSIS CODES - DTC P1602: Communication Malfunction (between Engine-A/T-ECU Main Processor and System LSI) | PRINT PAGE / INDEX / PRIOR / NEXT

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