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-433, "DTC Logic".
• If DTC B2108 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 position - Do not depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-439, "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 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
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 keyfob is carried into the passenge ...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 B ...Other materials:
P1551, P1552 Battery current sensor
Description
The power generation voltage variable control enables fuel consumption to be
decreased by reducing the
engine load which is caused by the power generation of the generator. The
battery current sensor is installed
to the battery cable at the negative terminal. The sensor measures ...
Symptom diagnosis
SYSTEM SYMPTOM
Symptom Table
The diagnostics item numbers show the sequence for inspection. Inspect in
order from item 1.
...
Electrical load signal
Description
The electrical load signal (Headlamp switch signal, rear window defogger
switch signal, etc.) is transferred
through the CAN communication line.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
1. Turn ignition switch ON.
2. Connect CONSULT-III and select ...