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Home >> Chevrolet >> 2005 >> Aveo Base, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Automatic Transmission -- AISIN -- 81-40LE -- Diagnosis (DTC P0562 To DTC P0743)) >> Diagnosis >> DTC P0722 (Non Europe or N. American Emissions) >> Cause of Failure

Cause of Failure

WARNING: This page is about a different car, the 2004 Suzuki Swift + and 2004 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0722 (Non Europe or N. American Emissions)

Step Action Values Yes No
1
  1. Turn OFF the ignition.
  2. Install the scan tool.
  3. With the engine OFF, turn the ignition switch to the ON position.
  4. Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu.
  5. Store Freeze Frame/Failure Records.
  6. Select Clear DTC Information from the Diagnostic Trouble Codes Information menu.
  7. Clear DTC Information.
  8. Perform 2 vehicle drive cycles.
Is the hold lamp ON?		 - Go to Step 2  Go to Step 4 
2
  1. Select Request DTC by Status from the Diagnostic Trouble Codes Information menu.
  2. Request DTC by Status.
Is DTC P0722 displayed?		 - Go to Step 3  Go to Step 4 
3
  1. Turn OFF the ignition.
  2. Inspect the voltage between vehicle harness and the output shaft speed (OSS) sensor.
  3. Disconnect the TCM connector of the vehicle harness.
  4. Connect the voltmeter to monitor the voltage between terminal B25 and ground.
  5. Turn ON the ignition and lift up the vehicle.
  6. Measure the voltage change when the wheel is turned slowly.
Is the voltage change within the specified value?		 0-12 V Go to Step 5  Go to Step 6 
4 Repair the temporary connection failure of the connector. Refer to Wiring Harness and Connector Inspection Diagnosis .
Did you complete te repair?		 - System OK -
5
  1. Estimate the failure of between the vehicle wiring harness connector and transmission control module (TCM).
  2. Inspect the connector. Refer to Wiring Harness and Connector Inspection Diagnosis .
  3. Inspect the connection condition between the connectors.
Is the connection condition OK?		 - Go to Step 7  Go to Step 4 
6
  1. Estimate the failure of transaxle harness or between the connectors of OSS sensor.
  2. Inspect the OSS sensor.
Is the condition of the OSS sensor OK?		 - Go to Step 8  Go to Step 9 
7
  1. Replace the TCM. Refer to Transmission Control Module (TCM) Replacement .
  2. Perform the reproducing test under user condition after confirming no DTC.
Is DTC displayed?		 - Go to Step 1  System OK
8
  1. Estimate the failure of transaxle harness.
  2. Test continuity and short circuit for the T/M wire and inspect the connection condition between connectors C-4. Refer to Wiring Harness and Connector Inspection Diagnosis .
Is the condition OK?		 - System OK Go to Step 4 
9 Replace the OSS. Refer to Output Shaft Speed Sensor Replacement .
Is the replacement complete?		 - System OK -
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