ON-BOARD DIAGNOSTIC
STEP
INSPECTION
ACTION
4 INSPECT PASSAGE CONTROL OF PURGE
SOLENOID VALVE
• Turn ignition key to OFF.
• Disconnect purge solenoid valve connector.
• Pump vacuum pump several times. Stop
pumping and wait a few seconds.
• Is vacuum maintained?
Yes Repair or replace harness, then go to Step 10.
No Replace purge solenoid valve, then go to Step 10.
5 INSPECT POOR CONNECTION OF PURGE
SOLENOID VALVE CONNECTOR
• Turn ignition key to OFF.
• Check for poor connection (damaged,
pulled-out terminals, corrosion, etc.).
• Are there any malfunctions?
Yes Repair or replace terminal, then go to Step 10.
No Go to next step.
6 INSPECT PURGE SOLENOID VALVE
• Measure resistance between purge solenoid
valve terminals (part-side).
• Is resistance within 30 —34 Q. ?
Yes
Go to next step.
No Replace purge solenoid valve, then go to Step 10.
7
INSPECT PURGE SOLENOID VALVE POWER
SUPPLY CIRCUIT FOR OPEN
• Turn ignition key to ON (Engine OFF).
• Measure voltage between purge solenoid
valve connector terminal A and body ground.
• Is voltage B+?
Yes Go to next step.
No
Repair or replace harness, then go to Step 10.
8
INSPECT POOR CONNECTION OF PCM
CONNECTOR
• Turn ignition key to OFF.
• Disconnect PCM connector.
• Check for poor connection (damaged,
pulled-out terminals, corrosion, etc.).
• Are there any malfunctions?
Yes Repair or replace terminal, then go to Step 10.
No Go to next step.
9 INSPECT PURGE SOLENOID VALVE
CONTROL CIRCUIT FOR OPEN
• Connect purge solenoid valve connector.
• Turn ignition key to ON (Engine OFF).
• Measure voltage between PCM terminal 67
and body ground.
• Is voltage B+?
Yes Go to next step.
No
Repair or replace harness, then go to next step.
10 VERIFY TROUBLESHOOTING OF DTC P0443
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn ignition key to OFF then ON (Engine
OFF).
• Is same DTC present?
Yes Replace PCM, then go to next step.
No Go to next step.
11
VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure.”
(See F1 36 AFrER REPAIR PROCEDURE)
• Are any DTCs present?
Yes Go to applicable DTC inspection.
(See F1-37 DTC TABLE)
No
Troubleshooting completed.
F1-65
To Next Page
Loading...
