DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when trouble occurs on the vehicle.
The diagnostic system allows for reading of the trouble codes from the DLC3.
Use the Techstream to check and solve the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page
).
Problem Symptoms Table
Terminals Of EcuEngine (ignition) switch (vehicles without smart key system)
- Starting the engine
Check that the parking brake is
set.
Check that the shift lever is set
in “P”.
Sit in the driver’s seat and firmly
depress the brake pedal.
Turn the engine switch to the “START”
position and start the engine ...
CD cannot be Ejected
PROCEDURE
1.
CHECK OPERATION
(a) Press the CD eject switch of the navigation receiver assembly for 10 seconds
or more and check that the CD is ejected.
OK:
CD is ejected.
NG
REPLACE NAVIGATION RECEIVER ...
ECM 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 ...