Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001H93O |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 09/2022] |
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (for HV Model (w/o Safe Exit Assist Function)): C1AB2; Short to GND in Outer Mirror Indicator(Master); 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] |
DTC
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C1AB2
|
Short to GND in Outer Mirror Indicator(Master)
|
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects a short to ground in the outer rear view mirror indicator LH.
DTC No.
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Detection Item
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DTC Detection Condition
|
Trouble Area
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C1AB2
|
Short to GND in Outer Mirror Indicator(Master)
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Both of the following conditions are met:
-
The blind spot monitor system is on
-
The current that is sent from the blind spot monitor sensor to the indicator is above a specified level for a specified period of time
|
-
Outer mirror LH
-
Outer rear view mirror assembly LH
-
Harness or connector
-
Blind spot monitor sensor LH
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
PROCEDURE
(a) Turn the power switch off.
(b) Turn the power switch on (IG).
(c) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble Codes
OK:
No DTCs are output.
NG
|
|
|
2.
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CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER REAR VIEW MIRROR ASSEMBLY LH)
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(a) Disconnect the O57 blind spot monitor sensor LH connector.
(b) Disconnect the L9 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
|
O57-4 (OMIL) or L9-1 (BSL+) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
3.
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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
|
L9-1 (BSL+) or IND1-2 (+) - Body ground
|
Always
|
10 kΩ or higher
|
OK
|
|
|
4.
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INSPECT OUTER MIRROR LH
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(a) Remove the outer mirror LH.
Click here
(b) Inspect the outer rear view mirror indicator LH on the outer mirror LH.
Click here
|