Diagnosis system (IPDM E/R)
Power supply and ground circuitThe parking brake release warning continues sounding, or does not sound
Description
The parking brake warning buzzer sounds continuously during
vehicle travel though the parking brake is
released
The parking brake warning buzzer does not sound at all even though
driving the vehicle with the parking
brake applied.
Diagnosis Procedure
1. CHECK PARKIN ...
P0603 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 ...
Three-way catalyst
The three-way catalyst is an emission control
device installed in the exhaust system. Exhaust
gases in the three-way catalyst are burned at
high temperatures to help reduce pollutants.
WARNING
The exhaust gas and the exhaust system
are very hot. Keep people, animals
or flammable material ...