DTC    C1613    ACC Voltage is Low or High

for Preparation Click here


DESCRIPTION

This DTC is stored if the parking assist ECU judges that the voltage received by terminal ACC is low or high as a result of its self check.

DTC No.
DTC Detection Condition
Trouble Area
C1613
  1. ACC voltage is low
  2. ACC voltage is high
  1. Harness or connector
  2. Parking assist ECU

WIRING DIAGRAM


E222376E03


INSPECTION PROCEDURE

NOTICE:
  1. When "System initializing" is displayed on the multi-display after disconnecting the cable from the negative (-) auxiliary battery terminal, correct the steering angle neutral point (Click here).
  2. 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 parking assist monitor system may be needed (Click here).
  3. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  4. After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work (Click here).

1.CHECK DTC OUTPUT

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    Result:
    Result
    		Proceed to
    DTC C1613 is output
    		A
    No DTC is output
    		B

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 (Click here)
A


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

  1. Disconnect the H9 connector from the parking assist ECU.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    H9-8 (ACC) - H9-3 (GND1)
    		Power switch on (ACC)
    		11 to 14 V



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE PARKING ASSIST ECU (Click here)