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:
MOD system limitations
WARNING
Listed below are the system limitations for
MOD. Failure to operate the vehicle in
accordance with these system limitations
could result in serious injury or death.
Do not use the MOD system when towing
a trailer. The system may not function
properly.
Excessive noise (for examp ...
C1734 control unit
Description
An internal malfunction has been detected in the TPMS function of the BCM.
DTC Logic
NOTE: The Signal Tech II Tool (J-50190) can
be used to perform the following functions. Refer to the Signal Tech II User
Guide for additional information.
Activate and display TPMS trans ...
Both doors mirror defogger don't operate but rear window
defogger operates
Diagnosis Procedure
1. CHECK DOOR MIRROR DEFORGGER FUSE
Check if the following fuse in fuse block (J/B) is blown.
2. CHECK DOOR MIRROR DEFORGGER CIRCUIT
Turn ignition switch OFF.
Disconnect the following harness connectors.
Fuse block (J/B) connector M5
Door mirror LH D4
Door ...
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
0.0247