Component Function Check
- INSPECTION START
Turn ignition switch OFF, and restart engine.
Does the engine start?
YES-1: With CONSULT-III: Go to 2.
YES-2: Without CONSULT-III: Go to 3.
NO: Go to "DIAGNOSIS PROCEDURE ".
- IGNITION SIGNAL FUNCTION
With CONSULT-III
- Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT-III.
- Check that each circuit produces a momentary engine speed drop.
Is the inspection result normal?
YES: INSPECTION END
NO: Go to "DIAGNOSIS PROCEDURE ".
- IGNITION SIGNAL FUNCTION
Without CONSULT-III
- Let engine idle.
- Read the voltage signal between ECM harness connector and ground.
VOLTAGE SIGNAL REFERENCE CHART
| ECM | Ground | Voltage signal | |
|---|---|---|---|
| Connector | Terminal | ||
| F7 | 9 | Ground | |
| 10 | |||
| 11 | |||
| 21 | |||
NOTE:
The pulse cycle changes depending on RPM at idle.
Is the inspection result normal?
YES: INSPECTION END
NO: Go to "DIAGNOSIS PROCEDURE ".