B2109

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 IPDM E/R.
- When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B2109 may be detected.






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON under the following conditions and wait 1 second or more.

A/T models
- Selector lever is in the P or N position
- Do not depress brake pedal

M/T models
- Do not depress clutch pedal
2. Check "Self-diagnosis result" using CONSULT-III.
Is DTC detected?
YES - Go to B2109.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT
Check IPDM E/R power supply circuit. Refer to BCM IPDM E/R (Intelligent Power Distribution Module Engine Room), "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure".
Is the circuit normal?
YES - GO TO 2.
NO - Repair or replace the malfunctioning part.
2.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 48, located in IPDM E/R).
Is the inspection normal?
YES - Replace IPDM E/R. Refer to Removal and Installation.
NO - Replace the blown fuse after repairing the affected circuit if a fuse is blown.