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 |
Trouble Area |
---|---|---|
C1AB3 |
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 ).
(b) Recheck for DTCs and check if the same DTC is output again (See page ).
OK:
No DTCs are output.
OK |
USE SIMULATION METHOD TO CHECK |
|
2. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY RH - BLIND SPOT MONITOR SENSOR RH) |
(a) Disconnect the O3 outer rear view mirror assembly RH connector.
(b) Disconnect the B13 blind spot monitor sensor RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O3-1 (BSR+) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - OUTER REAR VIEW MIRROR RH) |
(a) Reconnect the O3 outer rear view mirror assembly RH connector.
(b) Disconnect the blind spot monitor sensor RH connector. |
|
(c) Disconnect the B outer rear view mirror RH connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B13-4 (OMIR) - Body ground |
Always |
10 kΩ or higher |
*a |
Front view of wire harness connector (to Blind Spot Monitor Sensor RH) |
NG |
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH |
|
4. |
CHECK OUTER REAR VIEW MIRROR RH |
(a) Replace the outer rear view mirror RH 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 RH WAS DEFECTIVE) |
NG |
REPLACE BLIND SPOT MONITOR SENSOR RH |
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TELEPHONE MICROPHONE ASSEMBLY
Click here
2. REMOVE MICROPHONE CASE
HINT:
Use the same procedure for Double Cab.
Click here
3. REMOVE NO. 1 ROOF WIRE (w/ Vanity Light)
(a) w/ EC Mirror:
(1) Remove the No. 1 roof wire.
...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
If the bumper is damaged, there is a possibility that the installation area of
the blind spot monitor sensor may be deformed and the blind spot monitor system
may not operate correctly, so visually inspect the blind spot monitor sensor installation
area ...
Open in Driver Side Electrical Antenna Circuit (B27A1)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the front door outside handle assembly LH [electrical key
antenna] at intervals of 0.25 seconds. For the front door outside handle assembly
LH [electrical key antenna] to detect w ...