Diagnostic procedure
STEP
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INSPECTION
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ACTION
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1
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VERIFY FREEZE FRAME DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
|
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service information.
If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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3
|
CLASSIFY TP SENSOR OR HARNESS MALFUNCTION
• Connect the WDS or equivalent.
• Access the TP2 PID.
• Disconnect the throttle body connector.
• Connect a jumper wire between throttle body terminals B and C (harness-side).
• Is the voltage above 4.9 V?
|
Yes
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Go to the next step.
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No
|
Go to step 5.
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4
|
INSPECT TP SENSOR
• Perform the TP sensor inspection.
• Is the TP sensor normal?
|
Yes
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Inspect throttle body connector terminal B connection for poor connection. Repair or replace if necessary, then go to Step 8.
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No
|
Replace throttle body, then go to Step 8.
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5
|
INSPECT POWER SUPPLY CIRCUIT VOLTAGE AT THROTTLE BODY CONNECTOR
• Turn ignition switch to the ON position (Engine off).
• Measure the voltage at throttle body terminal B (harness-side).
• Is the voltage within 4.5- 5.5 V?
|
Yes
|
Go to the next step.
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No
|
Repair or replace for an open circuit between throttle body connector terminal B and PCM connector terminal 3P (harness-side).
Then, then go to Step 8.
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6
|
VERIFY TP2 SIGNAL CIRCUIT FOR OPEN CIRCUIT
• Turn the ignition switch off.
• Inspect for continuity between throttle body terminal C (harness-side) and PCM terminal 3J.
• Is there continuity?
|
Yes
|
Go to the next step.
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No
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Repair or replace the suspected wiring harness, then go to Step 8.
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7
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VERIFY TP2 SIGNAL CIRCUIT FOR SHORT TO GROUND
• Inspect for continuity between throttle body terminal C (harness-side) and body ground.
• Is there continuity?
|
Yes
|
Repair or replace the suspected wiring harness, then go to the next step.
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No
|
Go to the next step.
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8
|
VERIFY TROUBLESHOOTING OF DTC P0222 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn ignition switch to the ON position (Engine off).
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine and warm it up completely.
• Is same DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
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No
|
Go to the next step.
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9
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VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [L3 Turbo].)
|
No
|
Troubleshooting completed.
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