Other information:
System Description
SYSTEM DIAGRAM
When the driver brakes hard in an emergency, the stopping distance is reduced by increasing brake fluid pressure.
Fail-safe function is adopted. When a malfunction occurs in brake assist function, the control is suspended for VDC function, TCS function, brake assist function and hill start assist function...
DTC Description
DTC DETECTION LOGIC
ECM back up system does not function properly.
EEPROM (built-in microcomputer) system internal ECM does not function properly.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0603
ECM BACK UP/CIRCUIT
[Internal Control Module Keep Alive Memory (KAM) Error]
Diagnosis condition
Ignition switch ON
Signal (terminal)
—
Threshold
ECM back up system does not function properly
Diagnosis delay time
—
P062F
CONTROL MODULE
(Internal control module EEPROM error)
Diagnosis condition
Start engine and let it idle
Signal (terminal)
—
Threshold
EEPROM (built-in microcomputer) system internal ECM does not function properly
Diagnosis delay time
—
POSSIBLE CAUSEDTC P0603
Harness or connectors
[ECM power supply circuit is open or shorted...