DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH (Master) detects an open in the outer rear view mirror indicator LH.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AB4 |
Open in Outer Mirror Indicator(Master) |
Both of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
PROCEDURE
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Turn the ignition switch to ON.
(c) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble CodesOK:
No DTCs are output.
OK |
USE SIMULATION METHOD TO CHECK |
|
2. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY LH - BLIND SPOT MONITOR SENSOR LH (MASTER) AND BODY GROUND) |
(a) Disconnect the M62 blind spot monitor sensor LH (Master) connector.
(b) Disconnect the J7 outer rear view mirror assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M62-4 (OMIL) - J7-12 (BSL+) |
Always |
Below 1 Ω |
J7-9 (-) - Body ground |
Always |
Below 1 Ω |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH |
(a) Disconnect the IND1 outer mirror LH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
J7-12 (BSL+) - IND1-2 (+) |
Always |
Below 1 Ω |
J7-9 (-) - IND1-1 (-) |
Always |
Below 1 Ω |
NG |
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH |
|
4. |
INSPECT OUTER MIRROR LH |
(a) Remove the outer mirror LH.
Click here
(b) Inspect the outer rear view mirror indicator LH on the outer mirror LH.
Click here
OK |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
NG |
REPLACE OUTER MIRROR LH |
Toyota CH-R Service Manual > Wheel Opening Moulding(for Rear): Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE QUARTER OUTSIDE MOULDING
HINT:
When removing the quarter outside moulding, if the No. 1 body outside moulding
pad (doubl ...
Toyota CH-R Service Manual > How To Troubleshoot Ecu Controlled Systems: How To Proceed With Troubleshooting
HOW TO PROCEED WITH TROUBLESHOOTING
OPERATION FLOW
HINT:
Perform troubleshooting in accordance with the procedure below. The following
is an outline of basic troubleshooting procedure. Confirm the troubleshooting procedure
for the circuit you are working on before beginning troubleshooting.
...