Nissan Maxima Service and Repair Manual: B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON.
- Ignition relay-1 (inside IPDM E/R)
- Ignition relay-2 (inside fuse block (J/B))
- Front blower motor relay
BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
- Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.
- CVT selector lever is in the P or N position.
- Release brake pedal.
- Check "Self diagnostic result" with CONSULT.
Diagnosis Procedure
1. CHECK IGNITION RELAY-2 FEEDBACK INPUT SIGNAL
Check voltage between BCM harness connector and ground under the following conditions.
2. CHECK IGNITION RELAY-2 FEEDBACK CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM and fuse block (J/B).
- Check continuity between BCM harness connector (A) and fuse block (J/B) harness connector (B).
- Check continuity between BCM harness connector and ground.
3. CHECK INTERMITTENT INCIDENT
U1010 control unit (CAN)
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1. REPLACE BCM
When DTC U1010 is detected, replace BCM. ...
B260A ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse bl ...
Other materials:
P2118 throttle control motor
Description
The throttle control motor is operated by the ECM and it opens and closes the
throttle valve.
The current opening angle of the throttle valve is detected by the throttle
position sensor. The throttle position
sensor it provides feedback to the ECM, when opens/closes the throttl ...
Inspection and adjustment
ECM RE-COMMUNICATING FUNCTION
ECM RE-COMMUNICATING FUNCTION : Description
the ECM has been replaced with a new one (*1).
*1: New one means an ECM which has never been energized on-board.
(In this step, initialization procedure by CONSULT is not necessary)
NOTE:
When registering new Key ...
Child safety rear door lock
Child safety locks help prevent the rear doors
from being opened accidentally, especially when
small children are in the vehicle.
The child safety lock levers are located on the
edge of the rear doors.
When the lever is in the unlock position 2 , the
door can be opened from the outside ...
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
0.0062