Purge Control System Inspection
- Start the engine.
- Disconnect the vacuum hose between the purge solenoid valve and the charcoal canister.
- Put a finger to the purge solenoid valve and verify that there is no vacuum applied when the engine is cold.
- If there is a vacuum, inspect the following:
- Wiring harness and connectors (Purge solenoid valve - PCM terminal 85)
- Purge solenoid valve
- Warm-up the engine to the normal operating temperature.
- Stop the engine.
- Connect the WDS or equivalent to the DLC-2 and verify that the DTC P0443 is displayed. Perform DTC inspection. (See 01-02A-21 DTC TABLE.)
- Turn ignition switch to ON position.
- Select ECT PID.
- Verify that the engine coolant temperature is 60°C {140 °F} or above
.
- Set the vehicle on the dynamometer or chassis roller.
WARNING:
- When the dynamometer or chassis roller is operating, there is a possibility that the operator may come into contact with or be caught up in the rotating parts, leading to serious injuries or death. When performing work while the dynamometer or chassis roller is operating, be careful not to come into contact with or be caught up in any of the rotating parts.
- Drive vehicle with engine speed at approx. 2,000 rpm
for more than 30 s
.
- Put a finger to the purge solenoid valve and verify that there is no vacuum applied.
- If there is no vacuum, inspect the following:
- Wiring harness and connector (Main relay- purge solenoid valve-PCM terminal 85)
- Purge solenoid valve
- MAF, TP and LOAD PIDs
- If there is vacuum, inspect the following:
- Vacuum hose (Purge Solenoid valve - charcoal canister)