DTC B100C:11 [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]

id09021c395700

DESCRIPTION

Short to ground in steering lock unit power supply circuit

DETECTION CONDITION

•  Steering lock unit power supply monitor is off for 0.2 s when the steering lock unit power supply transistor is active.

POSSIBLE CAUSE

•  Steering lock unit connector or terminals malfunction

•  Keyless control module connector or terminals malfunction

•  Short to ground in wiring harness between the following terminals:

―  Steering lock unit terminal B—Keyless control module terminal 1C

•  Steering lock unit malfunction

•  Keyless control module malfunction

DESCRIPTION	Short to ground in steering lock unit power supply circuit
DETECTION CONDITION	• Steering lock unit power supply monitor is off for 0.2 s when the steering lock unit power supply transistor is active.
POSSIBLE CAUSE	• Steering lock unit connector or terminals malfunction • Keyless control module connector or terminals malfunction • Short to ground in wiring harness between the following terminals: ― Steering lock unit terminal B—Keyless control module terminal 1C • Steering lock unit malfunction • Keyless control module malfunction

Diagnostic Procedure

Step	Inspection		Action
1	INSPECT STEERING LOCK UNIT CONNECTOR AND TERMINALS • Switch the ignition to off. • Disconnect the negative battery cable. • Disconnect the steering lock unit connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 5.
1		No	Go to the next step.
2	INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS • Disconnect the keyless control module connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 5.
2		No	Go to the next step.
3	INSPECT STEERING LOCK UNIT POWER SUPPLY CIRCUIT FOR SHORT TO GROUND • Steering lock unit and keyless control module connectors are disconnected. • Inspect for continuity between the following terminal (wiring harness-side) and body ground: ― Steering lock unit terminal B • Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to ground, then go to Step 5.
3		No	Go to the next step.
4	INSPECT STEERING LOCK UNIT • Reconnect the steering lock unit connector. • Reconnect the negative battery cable. • Inspect the steering lock unit. (See STEERING LOCK UNIT INSPECTION [WITH ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].) • Is there any malfunction?	Yes	Replace the steering lock unit and perform the steering lock unit programming, then go to the next step. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [WITH ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].) (See STEERING LOCK UNIT ID CODE REGISTRATION.)
4		No	Go to the next step.
5	VERIFY TROUBLESHOOTING COMPLETED • Make sure to reconnect the disconnected connectors. • Reconnect the negative battery cable. • Operate the advanced key to activate the keyless control module. • Clear the DTC from the keyless control module using the M-MDS. (See CLEARING DTC [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].) • Switch the ignition to off using the advanced key, then open the door to lock the steering. • Perform the advanced keyless entry and push button start system DTC inspection using the M-MDS. (See DTC INSPECTION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].) • Is the same DTC present?	Yes	Replace the keyless control module, then go to the next step. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION.)
5		No	Go to the next step.
6	VERIFY THAT NO OTHER DTCs ARE PRESENT • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
6		No	DTC troubleshooting completed.