Lexus NX: Short to GND in Outer Mirror Indicator(Master) (C1AB2)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects a ground short in the outer rear view mirror indicator LH.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| C1AB2 | Short to GND 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 main switch (combination switch assembly) is on.
PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
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(b) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble CodesOK:
DTC C1AB2 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
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| 2. | CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH) |
| (a) Disconnect the blind spot monitor sensor LH connector. |
|
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(b) Disconnect the M5 outer mirror control ECU assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| V1-4 (OMIL) - Body ground | Always | 10 kΩ or higher |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 3. | CHECK OUTER REAR VIEW MIRROR ASSEMBLY LH |
| (a) Disconnect the outer rear view mirror assembly LH connector. |
|
(b) Disconnect the IND1 outer mirror LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| m5-8 (BSM+) - Body ground | Always | 10 kΩ or higher |
| NG | | REPLACE OUTER MIRROR RETRACTOR LH |
|
| 4. | CHECK OUTER MIRROR CONTROL ECU ASSEMBLY LH |
(a) Disconnect the outer mirror control ECU assembly LH connector.
| (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | | REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH |
|
| 5. | INSPECT OUTER MIRROR LH |
(a) Replace 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 |
| NG | | REPLACE OUTER MIRROR LH (OUTER REAR VIEW MIRROR INDICATOR LH) |
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