Checking Activation
-- Remove the Engine Control Module (ECM) - J623 -. Refer to appropriate service information.
-- Using a Multimeter, Check the malfunctioning Cylinder Combustion Chamber Pressure Sensor -- electrical harness connector to the Engine Control Module (ECM) - J623 - electrical harness connector T60 for an open circuit.
| Component | Cylinder Combustion Chamber Pressure Sensor -- electrical harness connector terminals | Engine Control Module (ECM) -J623- electrical connector T60 terminals |
|---|---|---|
| Cylinder 1 Combustion Chamber Pressure Sensor -G677- | 2 | 22 |
| Cylinder 2 Combustion Chamber Pressure Sensor -G678- | 2 | 7 |
| Cylinder 3 Combustion Chamber Pressure Sensor -G679- | 2 | 8 |
| Cylinder 4 Combustion Chamber Pressure Sensor -G680- | 2 | 23 |
Specified value: 1.5 Ω Max.
If the specified value was Not obtained:
-- Check the wiring connection for an open circuit, short circuit to Battery positive or Ground
-- Check the wiring connection for damage, corrosion, loose or broken terminals.
-- If necessary, repair the faulty wiring connection.
-- Go to Final Procedures
If the specified value was obtained:
-- Replace the Malfunctioning Cylinder Combustion Chamber Pressure Sensor --. Refer to appropriate service information.