Other materials:

P0172 fuel injection system function
DTC Logic DTC DETECTION LOGIC With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from the A/F sensors 1. The ECM calculates the necessary compensation to correct t ...

Precaution
Precautions for Trouble Diagnosis CAUTION: • Never apply 7.0 V or more to the measurement terminal. • Use a tester with open terminal voltage of 7.0 V or less. • Turn the ignition switch OFF and disconnect the battery cable from the negative terminal when checking the harness. Prec ...

U1000 Can comm circuit
Description Refer to AV-240, "System Description". DTC Logic DTC DETECTION LOGIC Diagnosis Procedure Symptom: Displays “CAN COMM CIRCUIT [U1000]” as a self-diagnosis result of AV control unit. 1.CHECK CAN COMMUNICATION Select “SELF-DIAG RESULTS” mode for “MULTI AV” w ...