DIAGNOSTIC TROUBLE CODE CHART
Wireless Door Lock Control System|
DTC No. |
Detection Item |
Link |
|---|---|---|
|
B1242 |
Wireless Door Lock Tuner Circuit Malfunction |
|
Data List / Active Test
Wireless Door Lock Tuner Circuit Malfunction (B1242)Toyota CH-R Service Manual > Door Lock: Wireless Door Lock Buzzer
Components
COMPONENTS
ILLUSTRATION
*1
WIRELESS DOOR LOCK BUZZER
-
-
Removal
REMOVAL
PROCEDURE
1. SEPARATE FRONT FENDER LINER LH
Click here
2. REMOVE WIRELESS DOOR LOCK BUZZER
(a) Disconnect the connector.
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 4 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...