Before replacing
the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit
are normal.
DIAGNOSTIC FUNCTION
The LDW-ECU will store diagnosis code No. C1702 when it detects an internal malfunction
in the LDW camera.
JUDGEMENT CRITERIA
If the LDW-ECU detects an internal malfunction in the LDW camera, it will determine that
the system is defective.
PROBABLE CAUSES
Malfunction of LDW-ECU
DIAGNOSIS PROCEDURE
Check whether the diagnosis code is reset.
Check if the diagnosis code No. C1702 is set to LDW-ECU.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(3)Check if the diagnosis code is set.
Q.
Is the diagnosis code set?
Replace the LDW-ECU.
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).
Replace the LDW-ECU.
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction