P0605

P0605 ECM

Component Description
The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM controls the engine.






On Board Diagnosis Logic
This self-diagnosis has one or two trip detection logic.

P0605:

FAIL-SAFE MODE
ECM enters fail-safe mode when malfunction A is detected.

Fail-Safe Mode:

DTC Confirmation Procedure
Perform PROCEDURE FOR MALFUNCTION A first. If the 1st trip DTC cannot be confirmed, perform PROCEDURE FOR MALFUNCTION B. If there is no malfunction on PROCEDURE FOR MALFUNCTION B, perform PROCEDURE FOR MALFUNCTION C.

NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

PROCEDURE FOR MALFUNCTION A

With SDT
1. Turn ignition switch ON.
2. Check 1st trip DTC.
3. If 1st trip DTC is detected, go to [P0605 ECM].

With GST
Follow the procedure "With SDT" above.

With SDT
1. Turn ignition switch ON and wait at least 1 second.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn it ON.
3. Check 1st trip DTC.
4. If 1st trip DTC is detected, go to [P0605 ECM].

With GST
Follow the procedure "With SDT" above.

With SDT
1. Turn ignition switch ON and wait at least 1 second.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn it ON.
3. Repeat step 2 for 32 times.
4. Check 1st trip DTC.
5. If 1st trip DTC is detected, go to [P0605 ECM].

With GST
Follow the procedure "With SDT" above.

Diagnosis Procedure

Step 1-2: