2002 CHEVROLET AVEO sensor

Fig. 59: OSS Sensor Retaining Bolt
Courtesy of GENERAL MOTORS CORP.
3. Remove the OSS sensor retaining bolt.
4. Remove the OSS sensor from the transaxle.
Installation Procedure

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
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Fig. 60: OSS Sensor, Retaining Bolt & O-Ring
Courtesy of GENERAL MOTORS CORP.
1. Install a new O-ring on the OSS sensor.
2. Install the OSS sensor and retaining bolt into the transaxle.
Tighten: Ti
ghten the OSS sensor retaining bolt to 7.4 N.m (65 lb in).
IMPORTANT: Lubricate the O-ring with T-IV Automatic Transmission Fluid GM P/N
88900925 (Canadian P/N 22689186).
NOTE: Refer to Fastener Notice
in Cautions and Notices.

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
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Fig. 61: OSS Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
3. Connect the OSS sensor electrical connector.
4. Connect the negative battery cable.
TRANSMISSION CONTROL MODULE (TCM) REPLACEMENT
Removal Procedure
1. Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
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Thursday, July 16, 2009 1:17:19 PMPage 73 © 2005 Mitchell Repair Information Company, LLC.

Fig. 76: Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
7. Disconnect the input shaft speed (ISS) sensor electrical connector.
8. Disconnect the output shaft speed (OSS) sensor electrical connector.
9. Disconnect the park/neutral position (PNP) sensor electrical connector.
10. Disconnect the transaxle electrical connector.

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
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Thursday, July 16, 2009 1:17:20 PMPage 88 © 2005 Mitchell Repair Information Company, LLC.

Fig. 90: Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
9. Connect the transaxle electrical connector.
10. Connect the PNP sensor electrical connector.
11. Connect the OSS sensor electrical connector.
12. Connect the ISS sensor electrical connector.

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
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COOLER PIPE BENDING AND CHOKE INSPECTION
Fig. 94: Cooler Pipe Inlet Side

Courtesy of GENERAL MOTORS CORP.
1. Replace failured parts.
2. Apply compressed air of 2 kg/cm
2 from cooler pipe inlet side (1), inspect whether there is not cooler pipe
choke by confirming air flow smooth.
3. Remove foreign particles and clean inside of pipe line.
VEHICLE SPEED SENSOR INSPECTION
IMPORTANT: Inspect if there is abnormal pipe bending in the cooler pipe, pipe
deformation and small cross-section area of pipe line.

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
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Thursday, July 16, 2009 1:17:20 PMPage 106 © 2005 Mitchell Repair Information Company, LLC.

Fig. 95: Vehicle Speed Sensor, 12 Volt Power Supply & Voltmeter
Courtesy of GENERAL MOTORS CORP.
1. Remove the connector of vehicle speed sensor, connect 12 volt power supply and voltmeter to the
terminal. Do not mistake polarit
y.

2006 Chevrolet Aveo
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Fig. 96: Pulses Per Revolution
Courtesy of GENERAL MOTORS CORP.
2. Rotate the driven gear.
3. Observe the voltage.
4. If the result of the inspection is bad, replace the vehicle speed sensor.
INPUT SPEED SENSOR INSPECTION
IMPORTANT: The voltage value will change from approximately 0 to 12 to 0 volts per
pulse (1). There will be 4 pulses per revolution (2).

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
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Thursday, July 16, 2009 1:17:20 PMPage 108 © 2005 Mitchell Repair Information Company, LLC.