DESCRIPTION
The combination meter assembly receives signals from this circuit to adjust the illumination of the combination meter assembly. The combination meter assembly sets the illumination level based on the user operation of the light control rheostat switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
Click here
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication DTCs are output.
Click here
Result |
Proceed to |
---|---|
CAN communication DTCs are not output. |
A |
CAN communication DTCs are output. |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
CHECK FOR DTC |
(a) Check if lighting system DTCs are output.
Click here
Result |
Proceed to |
---|---|
DTC B1244 is not output. |
A |
DTC B1244 is output. |
B |
B | ![]() |
GO TO DTC B1244 |
|
3. |
REPLACE COMBINATION METER ASSEMBLY |
(a) Replace the combination meter assembly.
Click here
OK:
The operation of the combination meter assembly returns to normal.
OK | ![]() |
END |
NG | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
Toyota CH-R Service Manual > Seat Belt Warning System(w/ Occupant Classification System): Rear Seat Belt Warning Light Malfunction
DESCRIPTION
The main body ECU (multiplex network body ECU) detects whether either the rear
doors are open or closed based on the condition of the rear door courtesy light
switch assemblies condition and then sends the rear door status signal to the combination
meter assembly. The combination ...
Toyota CH-R Service Manual > Smart Key System(for Start Function): Engine/Power Switch Malfunction (B2278)
DESCRIPTION
This DTC is stored when the SSW1 contact signal and SSW2 contact signal, which
are detected when the engine switch is operated, do not match.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2278 ...