P1645

P1645 - Body ECU Malfunction

DTC Detecting Condition:

ECM receives the operating condition (ON/OFF) of A/C from A/C amplifier and it also receives the electrical load information from the body ECU.
ECM uses these information to control the engine (idle up. etc.).

Step 1:

Step 1(Continued) - 2:

Step 3:

INSPECTION PROCEDURE