Check Engine Light/Code 21 - Broken Wiring Harness (TOY0413AP)

Publication date: 1995-03-01
Reference number: TOY0413AP

CHECK ENGINE LIGHT/CODE 21 - BROKEN WIRING HARNESS

TECHNICAL INFORMATION TIP

Reference Number(s): TOY0413AP, Date of Issue: March, 1995

CHECK ENGINE LIGHT/CODE 21 - BROKEN WIRING HARNESS

YEAR(S): 1993-94

MANUFACTURER: Toyota

MODEL(S): Corolla

DATE OF ISSUE: March, 1995

ISSUE & TIP

A Check Engine light and a Code 21 on a 1993-94 Toyota Corolla may be caused by a broken wiring harness at the main oxygen sensor connector.

The connector is mounted near the engine cooling fan, and vibration from the fan may break one or both of the oxygen sensor wires. Repair the connection with the factory replacement part number 82998-12360.

Courtesy of Import Service Magazine

with thanks to:

Kent Hilty

LaRiche Toyota

Findlay, Ohio

REFERENCE NUMBER

TOY0413AP

NOTE: This information has been obtained from sources generally believed to be reliable. Use your own judgment before relying on this data. Neither the suppliers of these Technical Information Tips, nor lemon-25 Repair Information Company, LLC, guarantees or assumes responsibility for data accuracy or completeness, nor is liability assumed by the suppliers of these Technical Information Tips or lemon-25 Repair Information Company, LLC, for any claims or damages resulting from the use of this information.