1. Ignition "ON" & Engine "OFF".
2. Disconnect "ATM Control Unit connector.
3. Measure voltage between signal terminal of TCM harness connector and chassis ground.
Specification :
Approx. 12V
4. Is the measured voltage within specifications?
ُ
Go to "Ground circuit Inspection" procedure.
ُ
Check for open or short in harness. Repair as necessary and Go to "verification of vehicle repair"
procedure.
ُ
If signal circuit in harness is OK, Go to "Check TCM" of the "Component Inspection" procedure.
Ground Circuit Inspection
1. Ignition "OFF".
2. Disconnect ATM Control Unit connector.
3. Remove the "OIL PAN" from the vehicle.
4. Measure continuity between ground terminal of Turbine sensor and chassis ground.
Specification :
Continuity
5. Is the measured resistance within specifications ?
ُ
Go to "Component inspection" procedure.
ُ
Check for open in harness. Repair as necessary and Go to "verification of vehicle repair" procedure.
Component Inspection
1. Ignition "ON" & Engine "OFF".
2. Disconnect "ATM Control Unit(CLG01-C)" connector.
3. Connect GDS and select 'Simulation Function"on the scanner.
4. Simulate duty pulse on signal terminal of "Input Speed Sensor 2" with scanner.
Ͻ
In a case of Input Speed Sensor 1, it is impossible to execute the simulation function.
Summary of Contents for COUPE BK 2010
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Page 47: ...IDLE S W OFF Diagnostic Circuit Diagram Signal Waveform Data...
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Page 66: ...System performing to specification at this time...
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Page 96: ...Go to the applicable troubleshooting procedure System performing to specification at this time...
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Page 134: ...Signal Waveform Data...
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Page 168: ...5 Replace the TCU with a new one 6 Install the removed parts in reverse oder of removal...