SYSTEM DIAGRAM
System Description
How To Proceed With TroubleshootingECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, the battery voltage is applied to IGSW
of the ECM. The output signal from the MREL terminal of the ECM causes a current
to flow to the coil, closing the contact of the engine room junction block assemb ...
Transmission Fluid Pressure Sensor / Switch "E" Circuit Low (P0989,P0990)
DESCRIPTION
ATF pressure switch No. 3 is installed in the lock-up solenoid ATF output passage
and is used to detect a malfunction in the lock-up solenoid.
DTC No.
DTC Detection Condition
Trouble Area
P0989
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the tab ...