Lexus ES: Open in Outer Mirror Indicator(Master) (C1AB4)
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 |
|---|---|---|---|
| C1AB4 | Open in Outer Mirror Indicator(Master) | Both of the following conditions are met:
|
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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 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 CodesOK:
No DTCs are output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
| 2. | CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU ASSEMBLY RH - BLIND SPOT MONITOR SENSOR RH AND BODY GROUND) |
(a) Disconnect the R4 blind spot monitor sensor RH connector.
(b) Disconnect the J6 outer mirror control ECU assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| R4-4 (OMIR) - J6-13 (BDSR) | Always | Below 1 Ω |
| J6-7 (GND) - Body ground | Always | Below 1 Ω |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 3. | INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY RH |
(a) Disconnect the z19 outer rear view mirror assembly RH connector.
| (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | | REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH |
|
| 4. | INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH |
(a) Disconnect the IND1 outer mirror RH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| z19-8 (BSM+) - IND1-1 (+) | Always | Below 1 Ω |
| z19-12 (GND) - IND1-2 (-) | Always | Below 1 Ω |
| NG | | REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH |
|
| 5. | INSPECT OUTER MIRROR RH |
(a) Remove the outer mirror RH.
Click here .gif)
(b) Inspect the outer rear view mirror indicator RH on the outer mirror RH.
Click here
| OK | | REPLACE BLIND SPOT MONITOR SENSOR RH |
| NG | | REPLACE OUTER MIRROR RH |
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SEE MORE:
Removal
REMOVAL PROCEDURE 1. REMOVE FORWARD RECOGNITION CAMERA Click here 2. REMOVE FORWARD RECOGNITION WITH HEATER HOOD SUB-ASSEMBLY NOTICE:
Do not touch the inner surface of the forward recognition with heater hood sub-assembly.
Do not apply force to the heating element of the forward recognition
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