DTC C0053:2F [START STOP UNIT]

id0902p6021700

Description

Steering angle sensor B signal malfunction

Detection condition

•  Start stop unit detects the sudden change in steering angle sensor B signal.

•  Start stop unit detects that the steering angle sensor B signal is stuck with the ignition switched ON (engine off or on).

Fail-safe function

Not applicable

Possible cause

•  When any of the following conditions is met:

―  Steering angle sensor malfunction

―  Start stop unit malfunction

System wiring diagram

Not applicable

Description	Steering angle sensor B signal malfunction
Detection condition	• Start stop unit detects the sudden change in steering angle sensor B signal. • Start stop unit detects that the steering angle sensor B signal is stuck with the ignition switched ON (engine off or on).
Fail-safe function	Not applicable
Possible cause	• When any of the following conditions is met: ― Steering angle sensor malfunction ― Start stop unit malfunction
System wiring diagram	Not applicable

Diagnostic Procedure

Step	Inspection		Action
1	INSPECT STEERING ANGLE SENSOR • Inspect the steering angle sensor. (See STEERING ANGLE SENSOR INSPECTION.) • Is the steering angle sensor normal?	Yes	Go to the next step.
1		No	Replace the steering angle sensor, then go to the next step. (See CLOCK SPRING REMOVAL/INSTALLATION.)
2	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Clear the DTC for the start stop unit using the M-MDS. (See CLEARING DTC [START STOP UNIT].) • Retrieve the start stop unit DTCs using the M-MDS. (See DTC INSPECTION [START STOP UNIT].) • Is the same DTC displayed?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the start stop unit. (See START STOP UNIT REMOVAL/INSTALLATION.) Go to the next step.
2		No	Go to the next step.
3	VERIFY IF OTHER DTCs DISPLAYED • Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [START STOP UNIT].)
3		No	DTC troubleshooting completed.