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[A/T-ECU connector (harness side, connected)]
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Check that the voltage between PGA-
terminal and GND1 or GND2 terminal is 0 V,
and then check the frequency of PGA1 terminal.
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- At D range, and the engine speed is 700 r/min: Approx. 353 Hz
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Q.
Is the check result normal?
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[input shaft speed sensor connector (harness side, disconnected)]
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- With the ignition switch ON: Power supply terminal to earth terminal →
System
voltage
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Q.
Is the check result normal?
|
|
When the continuity check result is OK, check that the wiring harness is not shorted to
the body and other wiring harness.
|
|
Q.
Is the check result normal?
|
|
Replace the input shaft speed sensor with the one of the same transmission of
the same model. Then go to Step 5.
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|
|
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Repair the connector(s) or wiring harness, and then go to Step 8.
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|
|
|
- Check the power supply line for an open/short circuit between the
battery and input shaft speed sensor connector.
- Check for a blown fuse.
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
|
|
|
|
Q.
Is the check result normal?
|
|
Replace the input shaft speed sensor.
|
|
|
|
Replace the A/T-ECU. Then go to Step 9.
|
|
|
|
When the continuity check result is OK, check that the wiring harness is not shorted to
the body and other wiring harness.
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
|
|
|
|
Q.
Is there a failure point?
|
|
Repair or replace the failure section.
|
|
|
|
Check that the normal code is displayed.
|
|
Q.
Is the check result normal?
|
|
The procedure is complete.
|
|
|
|
- Erase the diagnosis code.
- Drive the vehicle at 40 km/h or more (engine speed at 1,600 r/min or more).
- Check if the diagnosis code is set.
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|
Q.
Is the diagnosis code set?
|
|
Remove the A/T. Carry out the internal check and repair the defective part (the
input shaft speed sensor rotor may be defective).
|
|
|
|
The procedure is complete.
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