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:
Master Module Horizontal Axis Misalignment (C1AC1)
DESCRIPTION
This DTC is stored when the angle of the blind spot monitor sensor LH deviates
more than the allowable range from the horizontal axis.
HINT:
If drum tester such as a speedometer tester, brake/speedometer combination tester
or chassis dynamometer is used with the blind spot monitor ...
SM Solenoid Circuit (C1225-C1228,C1468,C1469,C146A,C146B)
DESCRIPTION
The solenoid goes on when signals are received from the skid control ECU (master
cylinder solenoid) and controls the pressure action on the wheel cylinders thus
controlling the braking force.
DTC No.
DTC Detecting Conditions
Trouble Areas
...
Brake Switch "A" Circuit Open (P057113)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
MIL
Note
P057113
Vehicle Condition:
Cruise control operating
Malfunction Status:
Stop light switch assembly circuit malfunction ...