Wireless Door Lock Tuner Circuit Malfunction (B1242)
PrecautionWhile Alarm is Armed, Engine Hood is opened but Alarm does not Sound
DESCRIPTION
A situation in which the alarm is armed but does not sound when the hood is opened
can be caused when the main body ECU (multiplex network body ECU) cannot detect
whether the hood courtesy switch is open or closed.
If the alarm does not sound, there may be a malfunction in the hood ...
Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) When a malfunction occurs in the pre-collision system, a message will be
displayed on the multi-information display and the pre-collision system will be
disabled depending on the malfunction.
Warning Message
Cause
DTC No. ...
Adjustment
ADJUSTMENT
PROCEDURE
1. PREPARE VEHICLE FOR HEADLIGHT AIM ADJUSTMENT
(a) Prepare the vehicle:
Ensure that there is no damage or deformation to the body around the
headlights.
Fill the fuel tank.
Make sure that the oil is filled to the specified level.
Make sure that the co ...