Component Function Check
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns OFF after the engine is started.
Is the inspection result normal? YES >> Inspection End.
NO >> Perform trouble diagnosis. Refer to STC-31, "Diagnosis Procedure".
Diagnosis Procedure
1.Perform self-diagnosis
With consult
Turn the ignition switch OFF to ON.
Perform EPS self-diagnosis.
Is any dtc detected? Yes >> check the dtc. Refer to stc-14, "dtc index".
No >> go to 2.
2.CHECK EPS WARNING LAMP SIGNAL
With consult
Turn the ignition switch on.
Caution:
Never start the engine.
Select DATA MONITOR of EPS and select WARNING LAMP.
Check that the EPS warning lamp is turned ON.
Start the engine.
CAUTION:
Never drive the vehicle.
Check that the EPS warning lamp is turned OFF.
Is the inspection result normal? YES >> Perform the trouble diagnosis for combination meter power supply circuit. Refer to MWI-52, "COMBINATION METER : Diagnosis Procedure".
NO >> Replace EPS control unit. Refer to STC-39, "Removal and Installation".
Vehicle Recovery (Freeing a Stuck Vehicle)
Front
Remove the hook cover from the bumper using a remover tool.
Securely install the vehicle recovery hook stored with jacking
tools.
Check that the hook is properly secured in the stored place after use.
WARNING:
Stand clear of a stuck vehicle.
Do not spin your tires at high s ...
B terminal circuit
Description
Terminal “B” is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR-10, "Wiring Diagram" (with
Intelligent Key system) or
STR-15, "Wiring Diagram" (without Intelligent Key system).
CAUTION:
...
P0603 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0603
ECM BACK UP CIRCUIT
[Internal control module keep
alive memory (KAM) error]
Malfunction in the internal back up RAM o ...