C1612

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

DESCRIPTION

This DTC is stored if the parking assist ECU judges as a result of its self check that the voltage received by terminal IG is not normal.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* When the "System initializing" message is displayed on the navigation computer sub-assembly after the auxiliary battery cable has been disconnected, 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 fuse for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK DTC OUTPUT

(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 -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU IG VOLTAGE)

(a) Disconnect the L64 connector from the parking assist ECU.





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

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE PARKING ASSIST ECU Removal