Nissan Maxima Service and Repair Manual: Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
2. CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM.
- Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
BCM : Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure
1. CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.
2. CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R connectors.
- Check voltage between IPDM E/R harness connector and ground.
3. CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and ground.
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
Description
The switch that changes the power supply position.
BCM maintains the power supply position status.
BCM changes the power supply position with the operation of the push-button ignition switch.
Component Function Check
1. CHECK FUNCTION
With CONSULT
- Check push-button ignition switch ("LOCK INDICATOR","ACC INDICATOR" and "IGNITION ON IND") in Active Test Mode with CONSULT.
Diagnosis Procedure
1. CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect push-button ignition switch.
- Check voltage between push-button ignition switch harness connector and ground.
2. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
- Disconnect BCM and push-button ignition switch.
- Check continuity between BCM harness connector and pushbutton ignition switch harness connector.
- Check continuity between BCM harness connector and ground.
3. CHECK PUSH-BUTTON IGNITION SWITCH
4. CHECK INTERMITTENT INCIDENT
Component Inspection
1. CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch.
B261A push-button ignition switch
Description
IPDM E/R transmits the push-button ignition switch status via CAN
communication to BCM. BCM receives
push-button ignition switch status by hardwire input. BCM compares the 2 signals
...
Other materials:
Front door speaker
Removal and Installation
REMOVAL
Remove the front door finisher. Refer to INT-18, "Removal and
Installation".
Remove the front door speaker screws (A).
Disconnect the harness connector from the front door speaker
(1) and remove.
Remove the front door speaker spacer scr ...
Driver Attention Alert system limitations
WARNING
Listed below are the system limitations for
the Driver Attention Alert system. Failure
to operate the vehicle in accordance with
these system limitations could result in
serious injury or death.
The Driver Attention Alert system may
not operate properly and may not provide
an alert i ...
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step control
[HIGH/MIDDLE/LOW/OFF].
COOLING FAN MOTOR
The cooling fan operates at each speed when the cu ...
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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