Nissan Maxima Service and Repair Manual: 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 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
NOTE:
- If DTC B260A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to PCS-44, "DTC Logic".
- If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to PCS-45, "DTC Logic".
- If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. Refer to PCS-60, "DTC 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 the brake pedal.
- Check "Self diagnostic result" with CONSULT.
Diagnosis Procedure
1.CHECK DATA MONITOR
- Turn ignition switch ON.
- Check IGN RLY1-REQ and IGN RLY status with CONSULT
2.CHECK CAN COMMUNICATION
Check CAN communication.
3.CHECK IGNITION RELAY-1 SIGNAL
- Turn ignition switch OFF.
- Check voltage between IPDM E/R harness connector and ground.
- Turn ignition switch ON.
- Check voltage between IPDM E/R harness connector and ground.
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 bl ...
B2614 ACC relay circuit
Description
BCM controls the various electrical components and simultaneously supplies
power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic ...
Other materials:
Front wiper motor lo circuit
Component Function Check
1. CHECK FRONT WIPER LO OPERATION
IPDM E/R AUTO ACTIVE TEST
Start IPDM E/R auto active test. Refer to PCS-11, "Diagnosis
Description".
Check that the front wiper operates at the LO operation.
CONSULT ACTIVE TEST
Select "FRONT WIPER" of IPDM E/R active test ...
Warning lights
For additional information on warnings and indicators,
refer to "Vehicle information display" in
this section.
Anti-lock Braking
System (ABS)
warning light
When the ignition switch is placed in the ON
position, the ABS warning light illuminates and
then turns off. This indicates the ABS is o ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED WORK FLOW
1.CUSTOMER INFORMATION
Get detailed information from the customer about the symptom.
2.PRELIMINARY CHECK
Perform preliminary check.
3.TECHNICAL SERVICE BULLETINS
Check for technical service bulletins.
4.USER MODE
Perform self-diagnosis usin ...
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
0.0074