Toyota Tacoma 2015-2018 Service Manual: Short to +B in Outer Mirror Indicator(Master) (C1AB0)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects a +B short in the blind spot monitor indicator LH.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AB0 |
With the blind spot monitor main switch assembly (warning canceling switch assembly) on, the voltage applied to the indicator is high for a certain amount of time even though the blind spot monitor sensor is not outputting voltage to the indicator. |
|
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 INDICATOR LH CIRCUIT) |
|
(a) Disconnect the blind spot monitor sensor LH connector. |
|
.png)
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
B12-4 (OMIL) - Body ground |
Ignition switch ON |
Below 1 V |
|
*a |
Front view of wire harness connector (to Blind Spot Monitor Sensor LH) |
| OK | |
REPLACE BLIND SPOT MONITOR SENSOR LH |
|
|
3. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER REAR VIEW MIRROR ASSEMBLY LH) |
|
(a) Disconnect the blind spot monitor sensor LH connector. |
|
(b) Disconnect the O2 outer rear view mirror assembly LH connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
B12-4 (OMIL) - Body ground |
Ignition switch ON |
Below 1 V |
|
*a |
Front view of wire harness connector (to Blind Spot Monitor Sensor LH) |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
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 voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
B12-4 (OMIL) - Body ground |
Ignition switch ON |
Below 1 V |
|
*a |
Front view of wire harness connector (to Blind Spot Monitor Sensor LH) |
| OK | |
REPLACE OUTER REAR VIEW MIRROR LH |
| NG | |
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH |
Vehicle Speed Sensor (C1A45)
DESCRIPTION
The blind spot monitor sensor receives vehicle speed signals from the skid control
ECU (brake actuator assembly) via CAN communication.
DTC Code
DTC Detection Con ...
Steering Angle Sensor (C1A47)
DESCRIPTION
The blind spot monitor sensor receives steering angle signals from the spiral
cable with sensor sub-assembly via CAN communication.
DTC Code
DTC Detection Conditi ...
Other materials:
Screen Flicker or Color Distortion
PROCEDURE
1.
CHECK DISPLAY SETTING
(a) Reset display settings (contrast, brightness) and check that the screen appears
normal.
OK:
The display returns to normal.
OK
END
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN ...
Panel Switches do not Function
PROCEDURE
1.
CHECK PANEL SWITCH
(a) Check for foreign matter around the switches that might prevent operation.
OK:
No foreign matter is found.
NG
REMOVE ANY FOREIGN MATTER FOUND
OK
...
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR SEAT CUSHION ASSEMBLY
(a) Remove the 6 bolts and 2 rear seat cushion assemblies.
2. REMOVE NO. 4 ROOM PARTITION COVER LH
3. REMOVE NO. 4 ROOM PARTITION COVER RH
4. REMOVE NO. 3 ROOM PARTITION COVER
...