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:
IPDM-E 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 IPDM E/R for damage,
bend and loose connection (unit side
and connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
...
Tire labeling
Example
Federal law requires tire manufacturers to
place standardized information on the
sidewall of all tires. This information identifies
and describes the fundamental
characteristics of the tire and also provides
the tire identification number (TIN)
for safety standard certification. The ...
Auto light system
System Diagram
System Description
BCM (Body Control Module) controls auto light operation according to
signals from optical sensor, lighting switch and ignition switch.
IPDM E/R (Intelligent Power Distribution Module Engine Room) operates
parking, license plate, tail, front fog lamps ...
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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