Structure and operation
Engine control systemThe oil pressure warning lamp does not turn off
Description
The oil pressure warning lamp remains illuminated while the engine is running
(normal oil pressure).
Diagnosis procedure
1.Check combination meter input signal
Start the engine and select METER/M&A on CONSULT.
Observe oil w/l data monitor and the operation of the oil pres ...
Checking bulbs
With all doors closed, apply the parking brake
and place the ignition switch in the ON position
without starting the engine. The following lights
will come on:
If equipped, the following lights come on briefly
and then go off:
If any light fails to come on, it may indicate
an open circuit ...
P0740 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0740
TORQUE CONVERTER
(Torque Converter Clutch Circuit/
Open)
The TCM torque converter clutch solenoid
valve current monitor readi ...