Removal and installation
Front suspensionP0603 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 ...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
2.CHECK DTC WITH BCM AND IPDM E/R
Check "Self Diagnostic Result" with CONSULT.
Perform ...
Multiport fuel injection system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: This sensor is not used to control the engine system under normal
conditions.
*2: This signal is sent to the ECM via the CAN communication line.
*3: ECM determines the start signal status by the signals of engine speed ...