Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Open in Outer Mirror Indicator(Slave) (C1AB5)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor RH detects an open in the blind spot monitor indicator RH.

DTC Code

DTC Detection Condition

Trouble Area

C1AB5

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.

  • Harness or connector
  • Outer rear view mirror RH
  • Outer rear view mirror assembly RH
  • Blind spot monitor sensor RH

WIRING DIAGRAM

CAUTION / NOTICE / HINT

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 ).

(b) Recheck for DTCs and check if the same DTC is output again (See page OK: ).

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY RH - BLIND SPOT MONITOR SENSOR RH AND BODY GROUND)

(a) Disconnect the B13 blind spot monitor sensor RH connector.

(b) Disconnect the O3 outer rear view mirror assembly RH connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

B13-4 (OMIR) - O3-1 (BSR+)

Always

Below 1 Ω

O3-8 - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH

(a) Remove the outer rear view mirror assembly RH (See page (b) Remove the outer rear view mirror RH (See page ).

(b) Remove the outer rear view mirror RH (See page (c) Measure the resistance according to the value(s) in the table below. ).

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

O3-1 (BSR+) - B-2 (+)

Always

Below 1 Ω

O3-8 - B-1 (-)

Always

Below 1 Ω

NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH

OK

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  ). ).

(b) Clear the DTCs (See page (c) Recheck for DTCs and check if the same DTC is output again (See page ).

(c) Recheck for DTCs and check if the same DTC is output again (See page OK: ).

OK:

No DTCs are output.

OK

END (OUTER REAR VIEW MIRROR RH WAS DEFECTIVE)

NG

REPLACE BLIND SPOT MONITOR SENSOR RH

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