Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Short to GND in Outer Mirror Indicator(Slave) (C1AB3)

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(Slave) (C1AB3)

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB3

Short to GND in Outer Mirror Indicator(Slave)

 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 LH
  • Outer rear view mirror assembly LH
  • Wire harness or connector
  • Blind spot monitor sensor LH

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 Slave > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

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

(a) Disconnect the P6 blind spot monitor sensor LH connector.

(b) Disconnect the I28*1 or I29*2 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

P6-4 (OMIL) or I28-7 (BSL+) - Body ground*1

Always

10 kΩ or higher

P6-4 (OMIL) or I29-7 (BSL+) - 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 LH

(a) Disconnect the IND2 outer mirror LH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I28-7 (BSL+) or IND2-2 (+) - Body ground*1

Always

10 kΩ or higher

I29-7 (BSL+) or IND2-2 (+) - 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 LH

OK

4.

INSPECT OUTER MIRROR LH

(a) Remove the outer mirror LH.

Click here

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

Click here

OK

REPLACE BLIND SPOT MONITOR SENSOR LH

NG

REPLACE OUTER MIRROR LH

    Short to GND in Outer Mirror Indicator(Master) (C1AB2)

    Open in Outer Mirror Indicator(Master) (C1AB4)

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

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

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