Nissan Maxima Service and Repair Manual: Steering switch
Description
When one of the steering wheel audio control switches is pushed, the
resistance in steering switch circuit changes depending on which button is
pushed.
Diagnosis Procedure
1.CHECK STEERING SWITCH RESISTANCE

- Disconnect steering switch connector M88.
- Check resistance between steering switch connector terminals.

2.CHECK HARNESS BETWEEN COMBINATION SWITCH (SPIRAL CABLE) AND BLUETOOTH
CONTROL UNIT
- Turn ignition switch OFF.
- Disconnect Bluetooth control unit connector B126 and combination
switch (spiral cable) connector M30
- Check continuity between Bluetooth control unit harness connector
B126 and combination switch (spiral cable) harness connector M30.
- Check continuity between Bluetooth control unit connector B126 and
ground.


3.CHECK HARNESS BETWEEN COMBINATION SWITCH (SPIRAL CABLE) AND AUDIO UNIT
- Disconnect audio unit connector M147.
- Check continuity between audio unit harness connector M147 and
combination switch (spiral cable) harness connector M30.
- Check continuity between audio unit connector M147 and ground.


4.COMBINATION SWITCH (SPIRAL CABLE) CHECK

- Check continuity between combination switch (spiral cable) harness
connector M30 (A) and M88 (B).

5.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND AUDIO UNIT
- Disconnect audio unit connector M133.
- Check continuity between Bluetooth control unit harness connector
B126 and audio unit harness connector M133.
- Check continuity between Bluetooth control unit connector B126 and
ground.


6.CHECK AUDIO UNIT VOLTAGE
- Connect audio unit harness connector M133 and Bluetooth control
unit harness connector B126.
- Turn ignition switch ON.
- Check voltage between audio unit harness connector M133 terminals.

Description
The audio unit sends audio signals to the subwoofer amp. The subwoofer amp.
amplifies the audio signals before sending them to the subwoofers using the
audio signal circuits.
Diagnos ...
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNI ...
Other materials:
Front wiper and washer system symptoms
Symptom Table
CAUTION:Perform the self-diagnosis with CONSULT
before performing the diagnosis by symptom. Perform thediagnosis by DTC if
DTC is detected.
...
Battery saver output/power supply circuit
Description
Provides the interior room lamp power supply. Also cuts the power supply when
the interior room lamp battery saver is activated.
Component Function Check
1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION
CONSULT
Turn ignition switch ON.
Turn each interior room lamp ON.
...
Steering wheel
Inspection
INSTALLATION CONDITION
Check installation conditions of steering gear assembly, front
suspension assembly, axle and steering column assembly.
Check if movement exists when steering wheel is moved up and down,
to the left and right and to the axial direction.
Check steering ...