Specifications

ON-BOARD DIAGNOSTIC
F155
F
Diagnostic procedure
End Of Sie
STEP INSPECTION ACTION
1 PERFORM DTC CONFIRMATION PROCEDURE
• Perform DTC CONFIRMATION PROCEDURE.
(See F66 DTC CONFIRMATION
PROCEDURE.)
• Is same DTC present?
Yes Go to next step.
No Intermittent concern exists. Go to INTERMITTENT
CONCERN TROUBLESHOOTING procedure.
(See F227 INTERMITTENT CONCERN
TROUBLESHOOTING.)
2 INSPECT VIS CONTROL SOLENOID VALVE
CONNECTOR FOR POOR CONNECTION
• Turn ignition key to OFF.
• Disconnect VIS control solenoid valve
connector.
• Inspect for poor connection (damaged/pulled-
out pins, corrosion, etc.).
• Is there malfunction?
Yes Repair or replace terminal, then go to Step 6.
No Go to next step.
3 INSPECT VIS CONTROL SOLENOID VALVE
MALFUNCTION
• Perform VIS control solenoid valve inspection.
(See F14 VARIABLE INTAKE-AIR SYSTEM
(VIS) CONTROL SOLENOID VALVE
INSPECTION (L3))
• Is VIS solenoid valve okay?
Yes Go to next step.
No Replace VIS control solenoid valve, then go to Step 6.
4 INSPECT PCM CONNECTOR FOR POOR
CONNECTION
• Turn ignition key to OFF.
• Disconnect PCM connector.
• Inspect for poor connection at terminal 4R.
(damaged/pulled-out pins, corrosion, etc.).
• Is there malfunction?
Yes Repair terminal, then go to Step 6.
No Go to next step.
5 INSPECT VIS CONTROL SOLENOID VALVE
CONTROL CIRCUIT SHORT TO POWER
• Turn ignition key to ON (Engine OFF).
• Measure voltage between VIS control solenoid
valve terminal B (harness-side) and body
ground.
• Is voltage B+?
Yes Repair or replace harness for open, then go to next step.
No Go to next step.
6 VERIFY TROUBLESHOOTING OF DTC P0662
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn ignition key to ON (Engine OFF).
• Clear DTC from PCM memory using WDS or
equivalent.
• Perform KOEO/KOER self-test.
(See F66 KOEO/KOER SELF-TEST.)
• Is same DTC present?
Yes Replace PCM, then go to next step.
(See F43 PCM REMOVAL/INSTALLATION.)
No Go to next step.
7 VERIFY AFTER REPAIR PROCEDURE
• Perform After Repair Procedure.
(See F66 AFTER REPAIR PROCEDURE.)
• Is there any DTC present?
Yes Go to applicable DTC troubleshooting.
(See F67 DTC TABLE.)
No Troubleshooting completed.