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DIAGNOSIS FUNCTION
N (Neutral) range light
The N range light flashes at a frequency of approximately 1 Hz (once per second) if there is an abnormality in any of the items in the table below which are related to the A/T system. Check for diagnostic trouble codes if the N range light is flashing at a frequency of approximately 1 Hz.
N range light flashing items
| Input shaft speed sensor |
| Output shaft speed sensor |
| Each solenoid valve |
| Gear incorrect ratio |
| A/T control relay system |
CAUTION: If the N range light is flashing at a frequency of approximately 2 Hz (two flashes per second), it means that the automatic transmission fluid temperature is too high. Stop the vehicle in a safe place and wait until the N range light switches off. |
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Method of reading diagnosis codes when using the scan tool
Connect the scan tool to the data link connector and take a reading of the diagnostic trouble codes.
CAUTION: Turn off the ignition switch before connecting or disconnecting the scan tool. |
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When using the warning lamp
1.Use the special tool to ground No.1 terminal (diagnosis control terminal) of the data link connector.
2.Turn the ignition switch on.
3.Read out a diagnostic trouble code by observing how the N range lamp flashes. |