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:
Audio system
System Diagram
System Description
AUDIO SYSTEM
The audio system consists of the following components
AV control unit
Display unit
BOSE speaker amp.
Window antenna
Steering wheel audio control switches
A/C and AV switch assembly
Front door speakers
Tweeters
Center speaker
R ...
Locking with power door lock switch
To lock all the doors without a key, push the door
lock switch (driver's or front passenger's side) to
the lock position 1 . When locking the door this
way, be certain not to leave the key inside the
vehicle.
To unlock all the doors without a key, push the
door lock switch (driver's or f ...
P0138, P0158 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
...
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
0.0057