Nissan Maxima Service and Repair Manual: Main line between DLC and HVAC circuit
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Disconnect the following harness connectors.
- A/C auto amp.
- Check the continuity between the data link connector and the A/C auto amp. harness connector.