Other materials:

P0603 ECM Power supply
Description Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATI ...

Additional service when replacing control unit
Description When replacing ECM, this procedure must be performed. Special Repair Requirement 1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS Refer to SEC-15, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (Coupe) or SEC- 214, &qu ...

CD changer
Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the CD changer are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2.CHECK POWER SUPPLY CIRCUIT Check voltage between CD changer harness con ...