Engine Control System

DIAGNOSTIC CODE DESCRIPTIONS

Diagnostic Codes - 1 Of 2:

Diagnostic Codes - 2 Of 2:

Diagnostic Code Reference Index:

Code 12 See Ignition System Troubleshooting
Code 14 See Chart No. 9
Code 21 See O2/VH/Check Connector Test
Code 22 See Chart No. 7
Code 24 See Chart No. 6
Code 31 See Chart No. 4
Code 32 See Chart No. 4
Code 35 See Chart No. 12
Code 41 See Chart No. 3
Code 43 See Chart No. 8
Code 71 See THG/EGR Temp Sensor Test (Calif. Only)

NOTE: For information regarding diagnostic procedures please refer to Non-Trouble Code Diagnostic Procedures.

Component Tests and General Diagnostics