Control Module HVAC: Testing and Inspection

INSPECTION

Disconnect the amplifier and inspect the connector on the wire harness side, as shown in the chart.

Test conditions

- Ignition switch : ON

- Temperature control dial: MAX COOL

- Blower dial : HI

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.









connect the connector to A/C amplifier and inspect wire harness side connector from the back, as shown.

Test conditions

- Ignition switch : ON

- Temperature control dial: MAX COOL

- Blower dial : HI

- A/C switch on

If circuit is not as specified, replace the amplifier.