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Control Assembly: Testing and Inspection

CLIMATE CONTROL UNIT INSPECTION

On-board Diagnostic Test Procedure

1. Disconnect the negative battery cable.
2. Remove the A/C amplifier.




3. Disconnect the A/C amplifier connector (24-pin).
4. Using a jumper wire or a similar device, short circuit A/C amplifier connector (24-pin) terminals 1P and 1R.
5. Connect the negative battery cable.
6. Turn the ignition switch to the ON position (engine off).

Output Signal Inspection




1. After performing the on-board diagnostic test procedure, inspect according to the table.
2. Disconnect the jumper wire or the similar device connected to the A/C amplifier connector (24-pin) to exit the on-board diagnostic test function.

Switch Inspection

1. After performing the on-board diagnostic test procedure, turn on the audio.




2. Inspect according to the table:
3. Disconnect the jumper wire or the similar device connected to the A/C amplifier connector (24-pin) to exit the on-board diagnostic test function.

Temperature Control Dial Inspection

1. After performing the on-board diagnostic test procedure, turn on the audio.
2. Press the audio POWER and SCAN (upper) buttons simultaneously.
3. "A/C TEMP--" is displayed on the information display.




4. Inspect according to the following table:
5. Disconnect the jumper wire or the similar device connected to the A/C amplifier connector (24-pin) to exit the on-board diagnostic test function.