Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Short to GND in Outer Mirror Indicator(Master) (C1AB2)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Blind Spot Monitor System(for Gasoline Model) / Short to GND in Outer Mirror Indicator(Master) (C1AB2)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor RH detects a short to ground in the outer rear view mirror indicator RH.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB2

Short to GND in Outer Mirror Indicator(Master)

 Both of the following conditions are met:
  • The blind spot monitor system is on
  • The current that is sent from the blind spot monitor sensor to the indicator is above a specified level for a specified period of time
  • Outer mirror RH
  • Outer rear view mirror assembly RH
  • Wire harness or connector
  • Blind spot monitor sensor RH

WIRING DIAGRAM

w/o Seat Memory w/ Seat Memory

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 engine switch off.

(b) Turn the engine switch on (IG).

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

Body Electrical > Blind Spot Monitor Master > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

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

(a) Disconnect the P5 blind spot monitor sensor RH connector.

(b) Disconnect the I12*1 or I13*2 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

P5-4 (OMIR) or I12-7 (BSR+) - Body ground*1

Always

10 kΩ or higher

P5-4 (OMIR) or I13-7 (BSR+) - Body ground*2

Always

10 kΩ or higher
  • *1: w/o Panoramic View Monitor System
  • *2: w/ Panoramic View Monitor System
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH

(a) Disconnect the IND1 outer mirror RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I12-7 (BSR+) or IND1-2 (+) - Body ground*1

Always

10 kΩ or higher

I13-7 (BSR+) or IND1-2 (+) - Body ground*2

Always

10 kΩ or higher
  • *1: w/o Panoramic View Monitor System
  • *2: w/ Panoramic View Monitor System
NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH

OK

4.

INSPECT OUTER MIRROR RH

(a) Remove the outer mirror RH.

Click here

(b) Inspect the outer rear view mirror indicator RH on the outer mirror RH.

Click here

OK

REPLACE BLIND SPOT MONITOR SENSOR RH

NG

REPLACE OUTER MIRROR RH

    Short to +B in Outer Mirror Indicator(Slave) (C1AB1)

    Short to GND in Outer Mirror Indicator(Slave) (C1AB3)

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Blind Spot Monitor System(for Gasoline Model): System Description
    SYSTEM DESCRIPTION GENERAL (a) The blind spot monitor system has a blind spot monitor function and RCTA function. (1) Blind spot monitor function The blind spot monitor function is a function that assists the driver when changing lanes. This function uses quasi-millimeter wave radar to detect vehicl ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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