T-SB-0142-16

T-SB-0142-16
October 3, 2016
MIL "ON" P0A7A with Information Code 122
Service
Category
Engine/Hybrid System
Section
Hybrid/Battery Control System
Market USA
Applicability
YEAR(S)
MODEL(S)
2012 - 2016
Avalon HV, Camry HV,
RAV4 HV
ADDITIONAL INFORMATION
Introduction
Some 2012 – 2016 model year Avalon HV, Camry HV and RAV4 HV vehicles may exhibit a MIL
“ON” condition with DTC P0A7A with information code 122 (Generator Inverter Fail Signal
Detection). Follow the procedure in this bulletin to address this condition.
NOTE
This TSB applies ONLY if information code 122 is present.
Warranty Information
OP CODE
DESCRIPTION
EL1623
R & R Hybrid Inverter with Converter
Assembly & Hybrid Transaxle Assembly
MODEL
TIME
OFP
Avalon HV
9.8
G92A0-33021
Camry HV
9.7
G92A0-33021
RAV4 HV
11.3
G92A0-42050
T1
T2
8A
74
APPLICABLE WARRANTY
This repair is covered under the Toyota Hybrid System Warranty. This warranty is in effect for 96
months or 100,000 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.
For California specification vehicles sold, registered, and operated in California, Arizona (12MY
only), Connecticut, Delaware* (starting with 14MY), Maine, Maryland, Massachusetts, New Jersey,
New York, Oregon, Pennsylvania*, Rhode Island, Vermont, and Washington*, warranty is in effect
for 120 months or 150,000 miles, whichever occurs first, from the vehicle's in-service date.
*In DE, PA, and WA, California Long-Term Emission Warranty coverage for Camry HV is 84
months or 70,000 miles, whichever occurs first.
© 2016 Toyota Motor Sales, USA
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MIL "ON" P0A7A with Information Code 122
Parts Information
PART NUMBER
MODEL
Avalon HV
PART NAME
QTY
G92A0-33021
Inverter w/ Converter Assembly
1
30900-33051
30900-33053
Hybrid Transaxle Assembly
1
G92A0-33020
G92A0-33021
Inverter w/ Converter Assembly
1
30900-33040
30900-33030
Hybrid Transaxle Assembly
1
G92A0-42050
Inverter w/ Converter Assembly
1
30900-48121
Hybrid Transaxle Assembly
1
Super Long Life Coolant (SLLC)
1
PREVIOUS
NEW
G92A0-33020
Camry HV
RAV4 HV
–
–
00272-SLLC2
Required Tools & Equipment
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
01413-00072 (Medium)
Electrical Insulating Gloves*
01413-00073 (Large)
1
01413-00074 (Extra Large)
CAUTION
Always inspect Electrical Insulating Gloves before use for cracks, ruptures, tears, pinholes, or
damage. Do NOT wear if damaged.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
Techstream Lite
PART NUMBER
QTY
TS2UNIT
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
TSLP2DLR01
* Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 11.20.019 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
© 2016 Toyota Motor Sales, USA
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MIL "ON" P0A7A with Information Code 122
Repair Procedure
1. Confirm if the following DTC and information code is present:

P0A7A – Generator Inverter Performance

Information code 122 – Generator inverter fail signal detection (overcurrent due to
system malfunction)
If ANY other DTCs are present or the information code is NOT present, this Service Bulletin
does NOT apply. Continue diagnosis per Repair Manual procedures.
2. Using the available freeze frame data for DTC P0A7A – 122 (there will be freeze frame
available for this information code), confirm the values of the following data list parameters:

Generator (MG1) Rev

MG1 Control Mode
Confirm Generator (MG1) Rev is out of range between 6,000 – 10,000 AND MG1 Control
Mode is 1 or 2. If either of the freeze frame values are NOT within the specified targets, this
Service Bulletin does NOT apply. Continue diagnosis per Repair Manual procedures.
See the screen shots below for an example of the freeze frame data:
Figure 1.
© 2016 Toyota Motor Sales, USA
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MIL "ON" P0A7A with Information Code 122
Repair Procedure (Continued)
Figure 2.
3. Replace the inverter assembly and transaxle assembly.
Refer to the Technical Information System (TIS), applicable model, and model year
Repair Manual.

2013 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission/Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”

2014 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission/Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”

2015 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle (When
Not Using the Engine Support Bridge): Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle (When
Using the Engine Support Bridge): Removal / Installation”

2016 Avalon HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle (When
Not Using the Engine Support Bridge): Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle (When
Using the Engine Support Bridge): Removal / Installation”
© 2016 Toyota Motor Sales, USA
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MIL "ON" P0A7A with Information Code 122
Repair Procedure (Continued)

2012 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle:
Removal / Installation”

2013 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle:
Removal / Installation”

2014 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter [08/2013 – 12/2013]: Removal / Installation”
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter [12/2013 - Current]: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle:
Removal / Installation”

2015 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle (When
Not Using the Engine Support Bridge): Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle (When
Using the Engine Support Bridge): Removal / Installation”

2016 Camry HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle
(When Not Using the Engine Support Bridge): Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “Drivetrain: Hybrid Vehicle Transaxle
(When Using the Engine Support Bridge): Removal / Installation”
© 2016 Toyota Motor Sales, USA
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MIL "ON" P0A7A with Information Code 122
Repair Procedure (Continued)

2016 RAV4 HV:
Engine/Hybrid System – Hybrid/Battery Control System Service – “Hybrid/Battery Control:
Inverter with Converter: Removal / Installation”
Drivetrain – Hybrid Transmission/Transaxle – “P314 Hybrid Transmission/Transaxle:
Hybrid Vehicle Transaxle: Removal / Installation”
4. Clear the DTCs and test drive the vehicle to confirm the repair.
© 2016 Toyota Motor Sales, USA