Specifications

AUTOMATIC TRANSMISSION -
Troubleshooting
23-5
DIAGNOSIS FUNCTION
23100770186
1. N range lamp
The N range lamp flashes at a frequency of approximately
1 Hz if there is an abnormality in any of t he items in the
table below which are related to the A/T system. Check
the diagnosis code output if the N range lamp is flashing
at a frequency of approximately 1 Hz.
N range lamp flashing items
Crank angle sensor
Input shaft speed sensor
Output shaft speed sensor
Each solenoid valve
Out of phase at each shift point
Caution
If the N range lamp is flashing at a frequency of
approximately 2 Hz (faster than at 1 Hz), it means that
the automatic transmission fluid temperature is too high.
Stop the vehicle in a safe place and wait until the N range
lamp switches off.
2. Method of reading the diagnosis code
Use the MUT-II or the N range lamp to take a reading of
the diagnosis codes. (Refer to GROUP 0 0 - How to Use
Troubleshooting/Inspection Service Points.)