Nissan Maxima Service and Repair Manual: Climate controlled seat

Lumbar support system

Symptom diagnosis

Other materials:

Optical sensor 
Description  The optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to the BCM. Component Function Check  1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT CONSULT Turn the ignition switch ON. Select "OPTICAL SENSOR" of BCM (HEAD LAMP ...

Engine speed signal circuit
Description ECM sends engine speed signal to power steering control unit. Diagnosis Procedure 1.PERFORM ECM SELF-DIAGNOSIS With CONSULT Perform ECM self-diagnosis. 2.CHECK HARNESS BETWEEN ECM AND POWER STEERING CONTROL UNIT FOR OPEN Turn the ignition switch OFF. Disconnect ECM connec ...

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 CIRCUI ...