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:
Diagnosis system (bluetooth control unit)
Diagnosis Description
The Bluetooth control unit has two diagnostic checks. The first diagnostic
check is performed automatically every ignition cycle during control unit
initialization. The second diagnostic check is performed by the technician
using the steering wheel audio control switches ...
Power consumption control system
System Diagram
System Description
OUTLINE
IPDM E/R incorporates a power consumption control function that
reduces the power consumption according
to the vehicle status.
IPDM E/R changes its status (control mode) with the sleep wake up
signal received from BCM via CAN communicati ...
The door open warning continues displaying, or does not display
Description
The door ajar warning is displayed even though
all of the doors and the trunk are closed.
The door ajar warning is not displayed even
though a door or the trunk is ajar.
Diagnosis Procedure
1.CHECK BCM INPUT SIGNAL
Connect CONSULT and check the BC ...
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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