DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.CHECK DTC DETECTION
With CONSULT.
Is DTC U1000 detected?
YES >> Proceed to diagnosis procedure. Refer to LAN "Trouble Diagnosis Flow Chart".
NO >> Refer to GI "Intermittent Incident".
P0734 4GR Incorrect ratio
Description
This malfunction is detected when the A/T does not shift into 4GR 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 ...
Preparation
Special Service Tool
The actual shape of Kent-Moore tools may differ from those of special service
tools illustrated here.
HFC-134a (R-134a) Service Tool and Equipment
Do not mix HFC-134a (R-134a) refrigerant and/or its specified oil with CFC-12
(R-12) refrigerant and/or its oil.
Separ ...