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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 P0712 (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 P0712 (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 P0712 displayed?		 - Go to Step 3  Go to Step 4 
3
  1. Turn OFF the ignition.
  2. Measure the resistance between the vehicle harness and transmission fluid temperature (TFT) sensor. Refer to Transmission Fluid Temperature (TFT) Sensor Inspection .
  3. Disconnect the transmission control module (TCM) connector and measure the resistance between terminal A11 and A12.
Is the measurement within the specified values?		 10°C (50°F)
5.80-7.09 kΩ
110°C (230°F)
0.231-0.263 kΩ		 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 the repair?		 - System OK -
5
  1. Estimate the failure of between the vehicle wiring harness connector and TCM.
  2. Inspect the connector. Refer to Wiring Harness and Connector Inspection Diagnosis .
  3. Inspect the connection condition between the connector.
Is the connection condition OK?		 - Go to Step 7  Go to Step 4 
6
  1. Estimate the failure of between the vehicle harness and TFT sensor.
  2. Disconnect the transaxle harness connector of T/M wire and inspect the resistance between TFT sensor connector terminal 1 and 6.
Is the measurement within the specified values?		 10°C (50°F)
5.80-7.09 kΩ
110°C (230°F)
0.231-0.263 kΩ		 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 the vehicle wiring harness or between connectors.
  2. Test continuity and short circuit for the vehicle wiring harness and inspect the connection condition between transaxle harness connectors. Refer to Wiring Harness and Connector Inspection Diagnosis .
Is the condition OK?		 - System OK Go to Step 4 
9
  1. Estimate the failure of the transmission harness connector wire or between connectors of TFT sensor.
  2. Inspect the fluid temperature. Refer to Transmission Fluid Temperature (TFT) Sensor Inspection .
Is the problem found?		 - Go to Step 11  Go to Step 10 
10
  1. Estimate the failure of the transmission harness connector.
  2. Test continuity and short circuit for the transmission harness connector and inspect the connection condition between connectors. Refer to Wiring Harness and Connector Inspection Diagnosis .
Is the condition OK?		 - System OK Go to Step 4 
11 Replace the TFT sensor. Refer to Transmission Fluid Temperature (TFT) Sensor Inspection .
Did you complete the replacement?		 - System OK -
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