LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1998 >> Supra 3.0 D >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs/Traction Control System >> Self-Diagnostics >> Diagnostic Trouble Codes Definitions >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Codes Definitions: Notes

Check suspect components in order given. See COMPONENT TESTS . Checks consist mainly of a visual inspection and continuity checks. For complete testing, see appropriate DTC TEST under DIAGNOSTIC TESTS .

DIAGNOSTIC TROUBLE CODES (DTC) DEFINITIONS

DTC Description
Code 11  Throttle Control Relay Circuit Open
Code 12  Throttle Control Relay Circuit Short
Code 21  Sub-Throttle Valve Motor Circuit Open Or Short
Code 22  Sub-Throttle Valve Motor Malfunction
Code 23  Throttle Body Malfunction
Code 24  Sub-Throttle Position Sensor Leakage/Sub-Throttle Valve Stuck
Code 31  Throttle Position Sensor Signal Malfunction
Code 32  Sub-Throttle Position Sensor Signal Malfunction
Code 41  RPM Signal Open Or Short
Code 42  ECM Malfunction
Code 43  ECM Communication Circuit Malfunction
Code 51  Power Source Circuit
Code 52  Power Source Circuit
Code 61  Right Front Speed Sensor Circuit
Code 62  Left Front Speed Sensor Circuit
Code 63  Right Rear Speed Sensor Circuit
Code 64  Left Rear Speed Sensor Circuit
Code 71  Emergency Fuel Cut (Sub-Throttle Motor Circuit Malfunction)
Code 72  Emergency Fuel Cut
Code 81  ABS ECU Malfunction