ENGINE CONTROL SYSTEM
Wiring Diagram



























ECU diagnosis informationPre-inspection for diagnostic
Pre-Inspection for Multi-System Diagnostic
The engine start function, door lock function, power distribution system and
NATS-IVIS/NVIS are closely
related to each other. Narrow down the system in question by performing this
inspection to identify which system
is malfunctioning. For example, ...
P050A, P050e cold start control
Description
ECM controls ignition timing and engine idle speed when engine is started
with pre-warming up condition.
This control promotes the activation of three way catalyst by heating the
catalyst and reduces emissions.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P050A or P050E is dis ...
Main line between DLC and HVAC circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity between the data link connector and the A/C ...