Nissan Altima 2007-2012 Service Manual: 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 BCM.
DTC Logic
DTC DETECTION LOGIC
NOTE: • If DTC B2108 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-36, "DTC Logic".
• If DTC B2108 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-37, "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 position - Do not depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-42, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 40, located in IPDM E/R).
Is the inspection 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
B2014 chain of strg-immu
Description
BCM performs the ID verification with the steering lock unit to release the
steering. BCM starts the communication
with the steering lock unit when Intelligent Key is carried into the ...
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 BC ...
Other materials:
Microphone
Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present?
YES >> GO TO 4
NO >> GO TO 2
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect Blu ...
TCM branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- TCM
- Harnes ...
Headlamp
Description
Headlamp lighting when theft warning system is in alarm phase.
Component Function Check
1.CHECK HEADLAMP OPERATION
Check if headlamps operate by lighting switch.
Does headlamp come on when turning switch “ON”?
YES >> Headlamp circuit is OK.
NO >> Check headlam ...