Engine Control System

DIAGNOSIS INDICATION
1. Including "normal", the ECU is programmed with the following 15 (7M-GE), 16 (7M-GTE) diagnostic codes.
2. When 2 or more codes are indicated, the lowest number (code) will appear first. However, no other code "will appear along with code No.11.
3. All detected diagnostic codes, except 51 and 53, will be retained in memory by the ECU from the time of detection until cancelled out.
4. Once the malfunction is cleared, the "CHECK ENGINE" warning light on the instrument panel will go out but the diagnostic code(s) remain stored in ECU memory (except for code 51 and 53).

Code To System Chart:

Overview of Diagnostic Codes and Monitored Systems






Diagnostic Codes, Diagnosis and Trouble Area