Nissan Maxima Service and Repair Manual: HVAC branch line circuit
Nissan Maxima Service and Repair Manual / Power outlet / Lan system / Main line between HVAC and A-bag circuit / HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Check the terminals and connectors of the A/C auto amp. for damage, bend and loose connection (unit side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
- Disconnect the connector of A/C auto amp.
- Check the resistance between the A/C auto amp. harness connector terminals.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.
- Models with color display: HAC-60, "A/C AUTO AMP. : Diagnosis Procedure"
- Models with monochrome display: HAC-165, "A/C AUTO AMP. : Diagnosis Procedure"
