Preparation
Diagnosis and repair workflowEngine control system symptoms
Symptom Table
SYSTEM - BASIC ENGINE CONTROL SYSTEM
1 - 6: The numbers refer to the order of inspection.
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SYSTEM - ENGINE MECHANICAL & OTHER
1 - 6: The numbers refer to the order of inspection. ...
Power supply and ground circuit
Description
EPS system functions by ignition power supply.
Diagnosis Procedure
1.CHECK POWER SUPPLY
Turn the ignition switch OFF.
Disconnect power steering control unit connector.
Turn the ignition switch ON.
Check voltage between power steering control unit connectorM59
terminal 3 ...
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 ...