Toyota Tech Tip: A/C Inoperative, A/C Light Flashing – UnderhoodService

Toyota Tech Tip: A/C Inoperative, A/C Light Flashing

This bulletin provides information regarding countermeasures to the A/C magnetic clutch relay for A/C light flashing (inoperative A/C) issues on some vehicles equipped with a magnetic clutch compressor.

This bulletin provides information regarding countermeasures to the A/C magnetic clutch relay for A/C light flashing (inoperative A/C) issues on some vehicles equipped with a magnetic clutch compressor.

Affected Models:
• 2001-’04 Camry, ECHO and Celica;
• 2002-’04 4Runner, Corolla and MR2 Spyder; and
• 2003-’04 Highlander, Matrix, Sienna and Solara.

Inspection Procedure:
1. Locate the A/C magnetic clutch relay.

2. Verify the part number printed on the side of the relay.

a. If the part number is 90987-02022, replace the relay with the countermeasured relay, P/N 90987-02028.

b. If the part number does not match 90987-02022, diagnose problems by referring to the Technical Information System (TIS): applicable model year and vehicle repair manual, Air Conditioning: Troubleshooting.

Note: Relays other than P/N 90987-02028 should not be used for this application.

For additional information, visit www.alldata.com.

Technical service bulletin courtesy of ALLDATA.

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