On-Vehicle Inspection

AIR CONDITIONING CONTROL SYSTEM

ON-VEHICLE INSPECTION

1. DISCONNECT COMBINATION MATER

2. DISCONNECT ECM

3. INSPECT A/C CONDITIONING CONTROL SYSTEM CIRCUIT

Combination Meter (Wire Harness Side):

a. Disconnect the connector from the combination meter and inspect the connector on the wire harness side, as shown in the diagram.

Test condition:
Turn ignition switch to ON

If the circuit is not as specified, inspect the circuits connected to other parts.

Combination Meter (From Back Side):

b. Reconnect the connector to combination meter and inspect the wire harness side from the back side, as shown in the diagram.

Test condition:
- Run engine at idle speed
- Set on manifold gauge set

If the circuit is not as specified, inspect the circuits connected to other parts.

ECM (From Back Side):

c. Inspect the wire harness side connector of the ECM from the back side, as shown in the diagram.

If the circuit is not as specified, inspect the circuits connected to other parts.

4. RECONNECT ECM

5. RECONNECT COMBINATION METER