Nissan Maxima Service and Repair Manual: Vehicle speed signal circuit
Description
Combination meter sends vehicle speed signal to power steering control unit.
Diagnosis Procedure
1.PERFORM COMBINATION METER SELF-DIAGNOSIS
Perform combination meter self-diagnosis.
2.CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR OPEN
- Turn the ignition switch OFF.
- Disconnect combination meter connector.
- Disconnect power steering control unit connector.
- Check continuity between combination meter connector M24 (A)
terminal 30 and power steering control unit connector M59 (B)
terminal 8.
3.CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR SHORT
- Check continuity between combination meter connector M24
terminal 30 and ground. - Turn ignition switch ON.
- Check voltage between combination meter connector M24 terminal
30 and ground.
4.CHECK VEHICLE SPEED SIGNAL (COMBINATION METER SIDE)
- Turn the ignition switch OFF.
- Connect combination meter connector.
- Check combination meter input/output standard values.
5.CHECK VEHICLE SPEED SIGNAL (POWER STEERING CONTROL UNIT SIDE)
- Turn the ignition switch OFF.
- Connect power steering control unit connector.
- Start the engine.
- Check signal between power steering control unit connector
M59 terminal 8 and ground with oscillosco
6.CHECK TERMINALS AND HARNESS CONNECTORS
- Check power steering control unit pin terminals for damage or loose connection with harness connector.
- Check combination meter pin terminals for damage or loose connection with harness connector.
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 AN ...
ECU diagnosis information
POWER STEERING CONTROL UNIT
Reference Value
TERMINA LAYOUT
PHYSICAL VALUES
CAUTION: When using circuit tester or oscilloscope to
measure voltage for inspection, be sure not to extend forcibl ...
Other materials:
Door request switch
Description
Transmits door lock/unlock operation to BCM.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check door request switch REQ SW-DR, REQ SW-AS in Data Monitor mode.
Diagnosis Procedure
1. CHECK DOOR REQUEST SWITCH OUTPUT SIGNAL
Turn ignition switch OFF.
Check ...
RGB (R: red) signal circuit
Description
Transmit the image displayed with AV control unit with RGB signal to the
display unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV control unit
connector M117.
Check continu ...
P1726 throttle control signal
Description
The electric throttle control actuator consists of
throttle control motor, accelerator pedal position sensor, throttle
position sensor, etc. The actuator sends a signal to the ECM, and ECM sends the
signal to TCM via CAN
communication.
DTC Logic
DTC DETECTION LOGIC
DTC CONF ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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