TOYOTA

T-SB-0039-13 March 6, 2013 Technical Service Bulletin

Blind Spot Monitor DTC C1AB4/C1AB5

Service
Category Audio/Visual/Telematics
Toyota Supports 5

Section Park Assist/Monitoring Market USA ASE Certification
Applicability

YEAR(S) MODEL(S) ADDITIONAL INFORMATION

2013 Avalon HV

2013 Avalon
Introduction

Some 2013 model year Avalon and Avalon HV vehicles may display a “Check Blind Spot Monitor
System” message on the multi-information display with Diagnostic Trouble Code (DTC) C1AB4
and/or C1AB5 stored. The procedure in this bulletin has been developed to address this condition.

Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs shown

below.
MODEL. GRADE PLANT PRODUCTION CHANGE EFFECTIVE VIN
Limited 4T1BK1EB#DU001098
Avalon :
Touring 4T1BK1EB#DU001 101
TMMK
Premium 4T1BD1EB#DU001043
Avalon HV a
Limited 4T1BD1EB#DU001079
Warranty Information
OP CODE DESCRIPTION TIME OFP T1 | 72
87901-07020
EL1302 Repair Wire Harness (Both Sides) 1.0 pe 72 | 71
87906-07050
APPLICABLE WARRANTY
* This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to occurrence of the specified condition described in this
bulletin.

© 2013 Toyota Motor Sales, USA Page 1 of 12

TOYOTA T-SB-0039-13 March 6, 2013 Page 2 of 12

Blind Spot Monitor DTC C1AB4/C1AB5

Parts Information

PREVIOUS PARTNUMBER | CURRENT PART NUMBER PART NAME ary
- 82999-52010 Sleeve
a 82999-30010 Thermo Contact Tube 3

Required Tools & Equipment

SPECIAL SERVICE TOOLS (SST) PART NUMBER ary
Wire Crimper (Non Insulated) 09042-2C 100 1

NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.

REQUIRED EQUIPMENT SUPPLIER PART NUMBER QTy
Techstream 2.0° TS2UNIT
TIS Techstream ADE TSPKG1 1
Techstream Lite TSLITEDLRO1

NOTE
¢ Only ONE of the Techstream units listed above is required.

« Software version 8.00.034 or later is required.

¢ Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at
1-800-368-6787.

* Essential SST.

© 2013 Toyota Motor Sales, USA

@ TOYOTA T-SB-0039-13 March 6, 2013 Page 3 of 12

Blind Spot Monitor DTC C1AB4/C1AB5

Inspection Procedure
Using Techstream, check for stored DTCs. Confirm one of the following DTCs is present:
+ C1AB4 — Open in Outer Mirror Indicator (Master)
* C1AB5 — Open in Outer Mirror Indicator (Slave)

If DTC C1AB4 or C1AB5 is stored as a current or history DTC, complete the Repair Procedure to
BOTH outer side rear view mirror assemblies.

If OTC C1AB4 or C1ABS is NOT stored as current or history, STOP! This bulletin does NOT apply.

Refer to the Technical information System (TIS), applicable model and model year Repair
Manual:

* 2013 Avalon:
Audio/Visual/Telematics — Park Assist / Monitoring — “Park Assist / Monitoring: Blind Spot

Monitor System: Problem Symptoms Table”

* 2013 Avalon HV:
Audio/Visual/Telematics — Park Assist / Monitoring — “Park Assist / Monitoring: Blind Spot

Monitor System: Problem Symptoms Table”

© 2013 Toyota Motor Sales, USA

Q@PTOYOTA T-SB-0039-13 March 6, 2013 Page 4 of 12

Blind Spot Monitor DTC C1AB4/C1AB5

Repair Procedure

The following repair procedure will instruct how to remove the Blind Spot Monitor indicator ground
circuit from the harness and splice it into the Mirror Heater ground circuit.

NOTE
+ Use the same procedure for both the RH and LH sides.

* The procedure described below is for the LH side.

1. Remove outer rear view mirror cover.
Refer to TIS, applicable mode{ and model year Repair Manual:

* 2013 Avalon:
Vehicle Exterior ~ Mirror (Ext) — “Mirror (Ext): Outer Rear View Mirror Cover: Removal”

* 2013 Avalon HV:
Vehicle Exterior — Mirror (Ext) — “Mirror (Ext): Outer Rear View Mirror Cover: Removal”

2. Remove the tape from the two wire Blind Spot Figure 1.
Monitor (BSM) indicator wire harness. 5

© 2013 Toyota Motor Sales, USA

QTOYoTa T-SB-0039-13 March 6, 2013 Page 5 of 12

Blind Spot Monitor DTC C1AB4/C1AB5

Repair Procedure (Continued)

3. Measure 20 mm (0.79 in.) from the junction of the Figura 2.
mirror harness and cut the YELLOW wire. 5

NOTE

Mirror removed for illustration purposes
only. Mirror does not need to be removed
from vehicle.

4. Remove 8 mm (0.32 in.) of insulation from the
end of the YELLOW BSM Indicator ground wire
leading to the connector.

© 2013 Toyota Motor Sales, USA

@TOYOTA T-SB-0039-13 March 6, 2013 Page 6 of 12

Blind Spot Monitor DTC C1AB4/C1AB5

Repair Procedure (Continued)

5. Install a barrel sleeve on to the end of the indicator Figure 4.
ground wire.

NOTE
Ensure wire is fully inserted into the sleeve.