P0605

Component Description
The ECM consists of a microcomputer, diagnostic test mode selector, and connectors for signal input and output and for power supply. The unit controls the engine.

On Board Diagnosis Logic:

DTC Confirmation Procedure

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.

With CONSULT
1. Turn ignition switch "ON".
2. Select "DATA MONITOR" mode with CONSULT.
3. Start engine.




4. Run engine for at least 2 seconds at idle speed.
5. If 1st trip DTC is detected, go to "Diagnostic Procedure" below.

With GST
1. Turn ignition switch "ON".
2. Start engine.
3. Run engine for at least 2 seconds at idle speed.
4. Select "Mode 7" with GST.
5. If 1st trip DTC is detected, go to "Diagnostic Procedure" below.

Without Scan Tool
1. Turn ignition switch "ON".
2. Start engine and wait at least 2 seconds.
3. Turn ignition switch "OFF", wail at least 5 seconds and then turn "ON".
4. Perform "Diagnostic Test Mode II" (Self-diagnostic results) with ECM.

5. If 1st trip DTC is detected, go to "Diagnostic Procedure" below.

Diagnostic Procedure