Toyota Corolla Cross: Outer Mirror Indicator (Module "B" Side) Circuit Short to Battery (C1AB412)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH (B) detects a short to +B in the outer rear view mirror indicator LH.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1AB412 |
Outer Mirror Indicator (Module "B" Side) Circuit Short to Battery |
Both of the following conditions are met:
|
|
WIRING DIAGRAM
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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 "B" > Trouble CodesOK:
No DTCs are output.
| OK | .gif)
|
USE SIMULATION METHOD TO CHECK |
|
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|
2. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) |
(a) Disconnect the S12 blind spot monitor sensor LH (B) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
S12-4 (OMIL) - Body ground |
Ignition switch ON |
Below 1 V |
| OK |
|
REPLACE BLIND SPOT MONITOR SENSOR LH (B)
|
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|
|
3. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) |
(a) Disconnect the B outer mirror LH (outer rear view mirror indicator LH) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
S12-4 (OMIL) - Body ground |
Ignition switch ON |
Below 1 V |
| OK |
|
REPLACE OUTER MIRROR LH (OUTER REAR VIEW MIRROR INDICATOR LH) |
|
|
4. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) |
(a) Disconnect the L17 outer rear view mirror assembly LH connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
S12-4 (OMIL) - Body ground |
Ignition switch ON |
Below 1 V |
| OK |
|
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
