C1612

PARK ASSIST / MONITORING: ADVANCED PARKING GUIDANCE SYSTEM: C1612: IG Voltage is Low or High
C1612 - IG Voltage is Low or High

DESCRIPTION

When the self-diagnosis of the parking assist ECU determines that the input IG voltage is abnormal, this DTC is output.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
- When "System initializing" is displayed on the display and navigation module display after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point Initialization.
- Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the advanced parking guidance system may be needed Calibration.
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTCs Advanced Parking Guidance System.

(b) Check for DTCs Advanced Parking Guidance System.

Result

HINT
If the parking assist ECU cannot read the stored information when it is activated, allowing the ECU to store the information again may return the system to normal.

B -- CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BATTERY AND BODY GROUND)

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

2. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BATTERY AND BODY GROUND)

(a) Disconnect the L90 ECU connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE PARKING ASSIST ECU Removal