Toyota Tacoma (2015-2018) Service Manual: 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 |
Trouble Area |
|---|---|---|
|
C1AB4 |
With the blind spot monitor main switch assembly (warning canceling switch assembly) on, the current flowing to the indicator is below a specified value when indicator operation voltage is sent 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 ASSEMBLY LH - BLIND SPOT MONITOR SENSOR LH AND BODY GROUND) |
(a) Disconnect the B12 blind spot monitor sensor LH connector.
(b) Disconnect the O2 outer rear view mirror assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
B12-4 (OMIL) - O2-1 (BSL+) |
Always |
Below 1 Ω |
|
O2-8 - Body ground |
Always |
Below 1 Ω |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH |
(a) Remove the outer rear view mirror assembly LH (See page
).
(b) Remove the outer rear view mirror LH (See page
).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
O2-1 (BSL+) - A-2 (+) |
Always |
Below 1 Ω |
|
O2-8 - A-1 (-) |
Always |
Below 1 Ω |
| 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) Recheck 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 |
Blind Spot Monitor Master Module (C1AB6)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects an internal
malfunction.
DTC Code
DTC Detection Condition
Trouble Area
...
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
...
Other materials:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Air Conditioning System
DTC Code
Detection Item
Memory
See page
B1412
Ambient Temperature Sensor Circuit
Memorized
(4 seconds or more)
B1413
...
Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) Whenever a forward recognition camera system DTC is stored, the forward recognition
camera stores the current vehicle state (ECU and sensor information) as Freeze Frame
Data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignit ...
Front Blower Resistor
Inspection
INSPECTION
PROCEDURE
1. INSPECT BLOWER RESISTOR
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified
...
