Inspection Procedure

NOTE: When replacing the parking assist ECU, perform initialization of the television camera and calibration of the steering angle sensor and height control sensor.

PERFORM CAMERA OPTICAL AXIS ADJUSTMENT
1. Perform the camera optical axis adjustment (see CALIBRATION ).

CHECK DTC OUTPUT

Connect the intelligent tester or Techstream to the DLC3.
Turn the engine switch on (IG) and turn the tester ON.
Clear DTCs (see DTC CHECK / CLEAR ).

Read DTCs (see DTC CHECK / CLEAR ).

Result

RESULT CHART

Result	Proceed to
Even if camera optical axis adjustment is performed 3 times or more, C1691/5C-7A is output	A
Even if camera optical axis adjustment is performed 1 or 2 times, C1691/5C-7A is output	B
No DTCs are output	C

B: Go to step 1

C: USE SIMULATION METHOD TO CHECK (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: REPLACE PARKING ASSIST ECU (See REMOVAL )