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 displayed with other DTC, first perform the trouble diagnosis for other DTC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT
With GST
Follow the procedure "With CONSULT" above.
3.PERFORM DTC CONFIRMATION PROCEDURE-II
With CONSULT
With GST
Follow the procedure "With CONSULT" above.
Diagnosis Procedure
1.PERFORM IDLE AIR VOLUME LEAR
2.CHECK INTAKE SYSTEM
Check for the cause of intake air volume lacking. Refer to the following.
3.CHECK FUEL INJECTION SYSTEM FUNCTION
Perform DTC Confirmation Procedure for DTC P0171, P0174.
4.PERFORM DTC CONFIRMATION PROCEDURE
5.REPLACE ECM
STRG branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the steering angle sensor
for damage, bend and loose connection
(unit side and connector side).
2.CHECK HARNESS FOR OPE ...
B2578, B2579 in-vehicle sensor
Description
In-vehicle Sensor
The in-vehicle sensor (1) is located on instrument lower cover
(LH).
It converts variations in compartment air temperature drawn from
the aspirator into a resistance value. It is then input into the A/C
auto amp.
In-vehicle Sensor Circuit
Aspira ...
Key slot illumination
Description
Blinks when Intelligent Key insertion is required.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check key slot illumination ("KEY SLOT ILLUMI") Active
Test mode.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-147,
"Wiring Diagram" or SEC-128, ...