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Home >> Toyota >> 2003 >> Tundra 2WD V6-3.4L (5VZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Testing and Inspection >> Air Conditioning Control Assembly >> On-Vehicle Inspection
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On-Vehicle Inspection

AIR CONDITIONING CONTROL ASSEMBLY (Center Cluster Integration)

ON-VEHICLE INSPECTION

1. REMOVE CENTER CLUSTER INTEGRATION PANEL

2. INSPECT A/C CONTROL ASSEMBLY CIRCUIT

Wire Harness Side:




a. Disconnect the connector from the A/C control assembly and inspect the connector on the wire harness side, as shown in the chart.

Test condition:
Turn ignition switch to ON

If circuit is as specified, try replacing the amplifier with a new one. If the circuit is not as specified, inspect the circuits connected to other parts.

Connector View:




Pinouts (Part 1):




Pinouts (Part 2):




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

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

If circuit is as specified, try replacing the amplifier with a new one. If the circuit is not as specified, inspect the circuits connected to other parts.


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