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 See: U Code Charts\U1000\Security System\Coupe.
• If DTC B2109 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to See: U Code Charts\U1010\Security System\Coupe.

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 Diagnosis Procedure.
NO >> Inspection End.

Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT
Check IPDM E/R power supply circuit. Refer to See: Power and Ground Distribution\Testing and Inspection\Component Tests and General Diagnostics\Power Supply And Ground Circuit.
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 See: Power and Ground Distribution\Power Distribution Module\Service and Repair.
NO >> Check the following.

• Harness for open or short between IPDM E/R and battery
• Fuse