Nissan Maxima Service and Repair Manual: Communication signal circuit
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
Communication signals are exchanged between the AV control unit and satellite
radio tuner using the communication circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
1.CHECK HARNESS - 1

- Turn ignition switch OFF.
- Disconnect satellite radio tuner (factory installed) connector
B111 and AV control unit connector M116.
- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 28 and AV control unit harness
connector M116 (B) terminal 28.
- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 28 and ground.


2.CHECK HARNESS - 2

- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 29 and AV control unit harness
connector M116 (B) terminal 29.
- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 29 and ground.


3.CHECK HARNESS - 3

- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 30 and AV control unit harness
connector M116 (B) terminal 30.
- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 30 and ground.


4.CHECK REQ1 SIGNAL

- Connect satellite radio tuner (factory installed) connector and AV
control unit connector.
- Turn ignition switch to ACC.
- Check signal between satellite radio tuner (factory installed)
harness connector B111 terminal 28 and ground with CONSULT or
oscilloscope.

5.CHECK TXD SIGNAL

Check signal between satellite radio tuner (factory installed) harness
connector B111 terminal 29 and ground with CONSULT or oscilloscope.

6.CHECK RXD SIGNAL

Check signal between satellite radio tuner (factory installed) harness
connector B111 terminal 30 and ground with CONSULT or oscilloscope.

Description
When one of the steering wheel audio control switches is pushed, the
resistance in the steering wheel audio control switch circuit changes,
depending on which button is pushed.
Diagn ...
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
Left and right channel audio signals are supplied from the satellite radio
tuner to the AV control unit through the sound signal circuits. ...
Other materials:
P1720 VSS
Description
ECM receives two vehicle speed signals via the CAN communication line. One is
sent from "ABS actuator and
electric unit (control unit)" via the combination meter, and the other is from
TCM (Transmission control module).
ECM uses these signals for engine control.
DTC Logic
DTC ...
Steering column
Disassembly and Assembly
The steering column assembly without electric motor is not serviceable and
must be replaced as an assembly.
With Electric Motor
Steering column assembly
Telescope motor
Telescope motor link bracket
Tilt motor
Tilt motor bolt cap
DISASSEMBLY
Remo ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.CONFIRM SYMPTOM
Confirm symptom or customer complaint.
2.CHECK SELF-DIAGNOSIS OPERATION OF COMBINATION METER
Perform self-diagnosis of combination meter. Refer to MWI-29, "Diagnosis
Description".
3.CHECK COMBINATION ...