Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Outer Mirror Indicator (Module "A" Side) Circuit Open (C1AB513)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor RH (A) detects an open in the outer rear view mirror indicator RH.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB513

Outer Mirror Indicator (Module "A" Side) Circuit Open

Both of the following conditions are met:
  • The blind spot monitor system is on
  • The current flowing to the indicator is below a specified value when indicator operation voltage is being sent to the indicator
  • Outer mirror RH (outer rear view mirror indicator RH)
  • Outer rear view mirror assembly RH
  • Harness or connector
  • Blind spot monitor sensor RH (A)

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE

1.

CHECK DTC

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

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

Body Electrical > Blind Spot Monitor "A" > Trouble Codes

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 (A) AND BODY GROUND)

(a) Disconnect the S13 blind spot monitor sensor RH (A) connector.

(b) Disconnect the K17 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

S13-4 (OMIR) - K17-5 (BSR+)

Always

Below 1 Ω

K17-11 (E) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH

(a) Disconnect the A outer mirror RH (outer rear view mirror indicator RH) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K17-5 (BSR+) - A-1 (+)

Always

Below 1 Ω

K17-11 (E) - A-2 (-)

Always

Below 1 Ω

NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH

OK

4.

INSPECT OUTER MIRROR RH (OUTER REAR VIEW MIRROR INDICATOR RH)

Click here

OK

REPLACE BLIND SPOT MONITOR SENSOR RH (A)

NG

REPLACE OUTER MIRROR RH (OUTER REAR VIEW MIRROR INDICATOR RH)

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