Nissan Maxima Service and Repair Manual: BCM (Body control module))
REMOVAL AND INSTALLATION
Removal and Installation
REMOVAL
CAUTION: Before replacing BCM, perform "READ CONFIGURATION" to save or print current vehicle specification.
Refer to BCS-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Work Procedure ".
- Remove the combination meter. Refer to MWI-122, "Removal and Installation ".
- Remove the BCM screws (A) using a suitable tool and pull out the BCM (1).
- Disconnect the harness connector from the BCM (1) and remove.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- When replacing BCM, perform "WRITE CONFIGURATION ". Refer to BCS-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Work Procedure ".
- When replacing BCM, perform the system initialization (NATS). Refer to the CONSULT immobilizer mode and follow the on-screen instructions.
- When replacing BCM, if new BCM does not come with keyfobs attached, all existing keyfobs must be re-registered. Refer to the CONSULT immobilizer mode and follow the on-screen instructions.
Preparation
Commercial Service Tools
...
Lan system
...
Other materials:
Heater & cooling unit assembly
Exploded View
Wiring harness
Mode door motor
Upper floor connecting duct (LH)
Air mix door motor (driver side)
Heater core pipes cover
Heater core
In-cabin microfilter
Filter cover
Blower motor
Intake door motor
Blower unit
Upper floor connecting duct (RH)
Air mi ...
P0603 ECM power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, the idle air volume
learning value memory, etc.
DTC Logic
DTC DETECTION LOGIC
DTC CON ...
BCM 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 BCM for damage, bend and
loose connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...
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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