Nissan Maxima Service and Repair Manual: 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 connector E10.
- Disconnect power steering control unit connector.
- Check continuity between ECM connector E10 (A) terminal 94
and power steering control unit connector M59 (B) terminal 10.
3.CHECK HARNESS BETWEEN ECM AND POWER STEERING CONTROL UNIT FOR SHORT
- Check continuity between ECM connector E10 terminal 94 and
ground. - Turn ignition switch ON.
- Check voltage between ECM connector E10 terminal 94 and
ground.
4.CHECK ENGINE SPEED SIGNAL (ECM SIDE)
- Turn the ignition switch OFF.
- Connect ECM connector E10.
- Start the engine.
- Check signal between ECM connector E10 terminal 94 and
ground with oscilloscope.
5.CHECK ENGINE SPEED SIGNAL (POWER STEERING CONTROL UNIT SIDE)
- Turn the ignition switch OFF.
- Connect power steering control unit harness connector.
- Start the engine.
- Check signal between power steering control unit harness connector
M59 terminal 10 and ground with oscilloscope
6.CHECK TERMINALS AND HARNESS CONNECTORS
- Check power steering control unit pin terminals for damage or loose connection with harness connector.
- Check ECM pin terminals for damage or loose connection with harness connector.
Power steering solenoid valve
Description
Power steering solenoid valve controls the power steering oil pressure in the
gear housing assembly.
Diagnosis Procedure
1.CHECK POWER STEERING SOLENOID VALVE SIGNAL
Start eng ...
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 ...
Other materials:
Bose speaker AMP
Reference Values
TERMINAL LAYOUT
PHYSICAL VALUES
...
Door locks/unlocks precaution
Do not push the door handle request switch
with the Intelligent Key held in your hand as
illustrated. The close distance to the door
handle will cause the Intelligent Key system
to have difficulty recognizing that the Intelligent
Key is outside the vehicle.
After locking with the ...
System malfunction
If the PFCW system malfunctions, it will be
turned off automatically, a chime will sound, the
FEB system warning light (orange) will illuminate
and the warning message [Malfunction] will appear
in the vehicle information display.
Action to take
If the warning light (orange) comes on, stop the
...
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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