Nissan Maxima Service and Repair Manual: Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-67, "Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
Is the fuse or fusible link blown?
2. CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM.
- Check voltage between BCM harness connector and ground.
Is the measurement norma
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
DRIVER SEAT CONTROL UNIT
DRIVER SEAT CONTROL UNIT : Diagnosis Procedure
NOTE: Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT.
Regarding Wiring Diagram information, refer to ADP-150, "Wiring Diagram".
1. CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit.
- Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
2. CHECK GROUND CIRCUIT
Check continuity between the driver seat control unit harness connector and ground.
Is the inspection result normal?
DRIVER SEAT CONTROL UNIT : Special Repair Requirement
1.PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure
NOTE: Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT.
Regarding Wiring Diagram information, refer to ADP-150, "Wiring Diagram".
1. CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect automatic drive positioner control unit.
- Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
2. CHECK GROUND CIRCUIT
Check continuity between the automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement
1.PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
B2128 UART communication line
Description
Driver seat control unit performs UART communication with the automatic drive
positioner control unit using 1 communication line. Driver seat control unit
receives the operation signa ...
Sliding switch
Description
Sliding switch is equipped to the power seat switch LH on the seat frame. The
operation signal is input to the driver seat control unit when the sliding
switch is operated.
Component ...
Other materials:
C1115 ABS sensor [abnormal signal]
Description
When the sensor rotor rotates, the magnetic field changes. It converts the
magnetic field changes to current
signals (rectangular wave) and transmits them to the ABS actuator and electric
unit (control unit).
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK ...
Step lamp circuit
Description
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check
CAUTION: Before performing the diagnosis,
check that the following is normal.
Battery saver output/power supply
Step lamp bulbs
1.CHECK STEP LAMP OPERATION
CONSULT
Turn igni ...
Control system
System Diagram
System Description
The CVT senses vehicle operating conditions through various sensors. It
always controls the optimum shift
position and reduces shifting and lock-up shocks.
TCM FUNCTION
The function of the TCM is to:
Receive input signals sent from various switch ...
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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