Air Conditioning Control

AIR CONDITIONING CONTROL ASSEMBLY (Center Cluster Integration)

ON-VEHICLE INSPECTION

1. REMOVE CENTER CLUSTER INTEGRATION PANEL





2. Access cab, Standard cab:
INSPECT A/C CONTROL ASSEMBLY CIRCUIT
a. Disconnect the connectors from the A/C control assembly and inspect the connectors on the wire harness side, as shown in the chart.

Test condition:
Turn the ignition switch to ON

If the result is as specified, replace the amplifier with a new one.
If the result is not as specified, inspect the circuits connected to other parts.




b. Connect the connectors to the A/C control assembly and inspect the connectors on the wire harness side from the back side, as shown in the chart.

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

If the result is as specified, replace the amplifier with a new one.
If the result is not as specified, inspect the circuits connected to other parts.




3. Double cab:
INSPECT A/C CONTROL ASSEMBLY CIRCUIT
a. Disconnect the connectors from the A/C control assembly and inspect the connectors on the wire harness side, as shown in the chart.

Test condition:
Turn the ignition switch to ON

If the result is as specified, replace the amplifier with a new one.
If the result is not as specified, inspect the circuits connected to other parts.




b. Connect the connectors to the A/C control assembly and inspect the connectors on the wire harness side from the back side, as shown in the chart.

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

If the result is as specified, replace the amplifier with a new one.
If the result is not as specified, inspect the circuits connected to other parts.