Nissan Altima 2007-2012 Service Manual: B2109 steering lock relay
Description
The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication.
IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BCM.
DTC Logic
DTC DETECTION LOGIC
NOTE: • If DTC B2109 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".
• If DTC B2109 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-434, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.
- CVT selector lever is in the P or N position
- Do not depress the brake pedal
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-440, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT
Check IPDM E/R power supply circuit. Refer to PCS-23, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 2
NO >> Repair the malfunctioning parts
2.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 40, located in IPDM E/R).
Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-48, "Removal and Installation".
NO >> Check the following.
• Harness for open or short between IPDM E/R and battery
• Fuse
B2108 steering lock relay
Description The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication. IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BC ...B210A steering lock condition switch
Description There are 2 switches in the electronic steering column lock. IPDM E/R compares those 2 switches conditions to judge the present steering status and transmit the result to BCM via CAN ...Other materials:
B2560 starter control relay
Description
Starter control relay, integrated in IPDM E/R, permits the starter relay
operation when in N or P position and
the steering is locked or unlocked. It is installed in parallel with the starter
relay.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2560 is displayed with DTC U10 ...
B261A push-button ignition switch
Description
BCM transmits the change in the power supply position with the push-button
ignition switch to IPDM E/R via
the CAN communication line. IPDM E/R transmits the power supply position status
via CAN communication
line to BCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCED ...
Key slot illumination
Description
Blinks when keyfob insertion is required.
Component Function Check
1.CHECK FUNCTION
Check key slot illumination (“KEY SLOT ILLUMI”) Active Test mode.
Is the inspection result normal?
YES >> Key slot function is OK.
NO >> Refer to SEC-505, "Diagnosis Pr ...