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 > Lighting System: Interior Light Auto Cut Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls operation of the DOME
CUT relay in order to supply power to the interior lights. When the battery saving
function operates while the interior lights are on, the main body ECU (multiplex
network body ECU) opens the DOME CUT re ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 2 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 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance ...