ECU diagnosis information
Power door lock systemP0603 ECM power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, the idle air volume
learning value memory, etc.
DTC Logic
DTC DETECTION LOGIC
DTC CON ...
P1805 brake switch
Description
Brake switch signal is applied to the ECM via the stop lamp switch when the
brake pedal is depressed. This
signal is used mainly to decrease the engine speed when the vehicle is being
driver.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATI ...
Insufficient cooling
Component Function Check
Symptom
Insufficient cooling
No cool air comes out. (Airflow volume is normal.)
INSPECTION FLOW
1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECREASE
Press the AUTO switch.
Turn temperature control dial (driver side) counterclockwise until ...