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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DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an open in the outer rear view mirror indicator LH. DTC No. Detection Item DTC Detection Condition Trouble Area
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DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects an open in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area
SEE MORE:
Short to +B in Outer Mirror Indicator(Slave) (C1AB1)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a +B short in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area Note C1AB1 Short to +B in Outer Mirror Indicator(Slave) Both of the following conditions
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE:
Handle components indoors as much as possible to prevent foreign matter from entering and adhering to headlight assembly components.
Do not reuse parts which have reduced fastening ability due to thread damage.
When installing components, make sure t
