Control Module HVAC: Testing and Inspection
AIR CONDITIONING AMPLIFIERON-VEHICLE INSPECTION
1. REMOVE GLOVE COMPARTMENT DOOR
2. INSPECT A/C AMPLIFIER (Engine (and ECT) ECU) CIRCUIT
Inspect the wire harness side connector of engine (and ECT) ECU from the back side, as shown in the chart.
If the circuit is not as specified, inspect the circuits connected to other parts.