T-SB-0086-14 Rev

T-SB-0086-14
Rev1
August 11, 2014
Intermittent Poor A/C Cooling at Idle
Service
Category
Vehicle Interior
Section
Heating/Air Conditioning
Market
USA
Applicability
YEAR(S)
MODEL(S)
2014 – 2015
Corolla
ADDITIONAL INFORMATION
REVISION NOTICE
October 16, 2014 Rev1:
• Applicability has been updated to include 2015 model year Corolla vehicles.
• The Parts Information, Warranty Information, and Repair Information sections have
been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2014 – 2015 model year Corolla vehicles may exhibit a condition where the A/C system
blows warm air intermittently while the vehicle is at idle. An updated A/C compressor is available to
address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
PLANT
TMMC
Corolla
TMMMS
TMMC
TMMMS
ENGINE
PRODUCTION CHANGE EFFECTIVE VIN
2ZR-FE
2ZR-FAE
© 2014 Toyota Motor Sales, USA
2T1BURHE#EC217552
5YFBURHE#EP171965
2T1BPRHE#EC223722
5YFBURHE#FP178442
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T-SB-0086-14
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Intermittent Poor A/C Cooling at Idle
Parts Information
PART NUMBER
PART NAME
QTY
88310-02851
Compressor, Assembly
1
88320-0Z070
Compressor Assy, Cooler
1
PREVIOUS
NEW
88310-02850
88320-0Z060
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
AC1400
Compressor w/ Magnetic Clutch Assembly
1.8
88310-02850
88320-0Z060
72
50
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.
Required Tools & Equipment
REQUIRED EQUIPMENT
Techstream 2.0*
Techstream Lite
SUPPLIER
ADE
PART NUMBER
QTY
TS2UNIT
TSLITEPDLR01
1
* Essential SST.
NOTE
• Only ONE of the Techstream units listed above is required.
• Software version 9.20.022 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at
1-800-368-6787.
Repair Procedure
1. Connect Techstream and navigate to the A/C System Data List.
2. With the vehicle at idle, cycle the A/C button and watch the Regulator Control Current, Regulator
Pressure Sensor, and Evaporator Fin Thermistor Data List graphs.
© 2014 Toyota Motor Sales, USA
T-SB-0086-14
Rev1
August 11, 2014
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Intermittent Poor A/C Cooling at Idle
Repair Procedure (Continued)
3. When the condition is occurring the following data will be seen:
• Regulator Control Current: “0.7” “A” or higher
• Regulator Pressure Sensor: Low pressure and not increasing
• Evaporator Fin Thermistor: Higher than normal and increasing
Figure 1.
1
1
Normal
2
2
Condition Ocurring
Can the concern be duplicated?
• YES — Continue to step 4.
• NO — This bulletin does NOT apply. Continue diagnosis using Problem Symptoms table
in the applicable Repair Manual.
© 2014 Toyota Motor Sales, USA
T-SB-0086-14
Rev1
August 11, 2014
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Intermittent Poor A/C Cooling at Idle
Repair Procedure (Continued)
4. Remove and replace the A/C compressor.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:
• 2014 Corolla (2ZR-FE):
Vehicle Interior – Heating/Air Conditioning – “Compressor (for 2ZR-FE):
Removal / Installation”
• 2014 Corolla (2ZR-FAE):
Vehicle Interior – Heating/Air Conditioning – “Compressor (for 2ZR-FAE):
Removal / Installation”
• 2015 Corolla (2ZR-FAE):
Vehicle Interior – Heating/Air Conditioning – “Compressor (for 2ZR-FAE):
Removal / Installation”
5. Verify that the intermittent warm air condition is no longer present.
© 2014 Toyota Motor Sales, USA