Toyota Tacoma (2015-2018) Service Manual: 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 blind spot monitor indicator LH.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AB2 |
With the blind spot monitor main switch assembly (warning canceling switch assembly) on, the voltage output from the blind spot monitor sensor to the indicator is low for a certain amount of time. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor main switch assembly (warning canceling switch assembly) is on.
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear the DTCs (See page .gif)
).
(b) Recheck for DTCs and check if the same DTC is output again (See page
).
OK:
No DTCs are output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY LH - BLIND SPOT MONITOR SENSOR LH) |
(a) Disconnect the O2 outer rear view mirror assembly LH connector.
(b) Disconnect the B12 blind spot monitor sensor LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
O2-1 (BSL+) - Body ground |
Always |
10 kΩ or higher |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER REAR VIEW MIRROR LH) |
(a) Reconnect the O2 outer rear view mirror assembly LH connector.
|
(b) Disconnect the blind spot monitor sensor LH connector. |
|
(c) Disconnect the A outer rear view mirror LH connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
B12-4 (OMIL) - Body ground |
Always |
10 kΩ or higher |
|
*a |
Front view of wire harness connector (to Blind Spot Monitor Sensor LH) |
| NG | |
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH |
|
|
4. |
CHECK OUTER REAR VIEW MIRROR LH |
(a) Replace the outer rear view mirror LH with a new or normally functioning
one (See page ).
(b) Clear the DTCs (See page ).
(c) Check for DTCs and check if the same DTC is output again (See page
).
OK:
No DTCs are output.
| OK | |
END (OUTER REAR VIEW MIRROR LH WAS DEFECTIVE) |
| NG | |
REPLACE BLIND SPOT MONITOR SENSOR LH |
Open in Outer Mirror Indicator(Master) (C1AB4)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects an open in the
blind spot monitor indicator LH.
DTC Code
DTC Detection Condition
Troub ...
Short to GND in Outer Mirror Indicator(Slave) (C1AB3)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor RH detects a ground short
in the blind spot monitor indicator RH.
DTC Code
DTC Detection Condition
...
Other materials:
Clutch Switch Circuit
DESCRIPTION
Clutch switch circuit inspection is necessary for manual transmission vehicles.
When the clutch pedal is released, the ECM receives the positive (+) battery
voltage through the ECU-IG NO. 2 fuse and ignition switch. While the clutch pedal
is depressed, the clutch switch assembly se ...
Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION
A-TRAC is activated if wheel skid is detected while the transfer is in the L4
position.
DTC Code
DTC Detecting Condition
Trouble Areas
C1268
L4 detection switch signal input to skid control ECU (master cylinder
solenoid ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SHOCK ABSORBER ASSEMBLY
(a) Compress and extend the shock absorber rod and check that there is no abnormal
resistance or unusual sound during operation.
If there is any abnormality, replace the front shock absorber with a new one.
NOTICE:
When disposin ...
