Line pressure test
Work Procedure
INSPECTION
Inspect the amount of engine oil. Replenish the engine oil if necessary.
Refer to LU, "Inspection".
Drive for about 10 minutes to warm up the vehicle so that the A/T fluid
temperature is to 50 to 80C (122
to 176F).
Inspect the amount of ATF. Rep ...
P0731 1GR Incorrect ratio
Description
This malfunction is detected when the A/T does not shift into 1GR position as
instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC ...