M20C-FKS BATTERY / CHARGING  CHARGING SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  

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HINT:

·

In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

·

Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

·

The following 5 items are important points for problem analysis:

What	Vehicle model, system name
When	Date, time, occurrence frequency
Where	Road conditions
Under what conditions?	Running conditions, driving conditions, weather conditions
How did it happen?	Problem symptoms

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If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

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Result:

Result	Proceed to
CAN communication DTCs are not output.	A
CAN communication DTCs are output.	B

HINT:

Refer to DTC Check / Clear.

Click herePower Source / Network>M20C-FKS (BATTERY / CHARGING)>CHARGING SYSTEM>DTC CHECK / CLEAR202004,999999,_57,_087045,_0418150,RM100000001MIO7,

Result:

Result	Proceed to
DTCs are not output.	A
DTCs are output.	B

HINT:

Refer to Problem Symptoms Table.

Click herePower Source / Network>M20C-FKS (BATTERY / CHARGING)>CHARGING SYSTEM>PROBLEM SYMPTOMS TABLE202004,202304,_57,_087045,_0418150,RM100000001MIO4,202304,999999,_57,_087045,_0418150,RM100000002AXQQ,

Result:

Result	Proceed to
Malfunctioning parts are not confirmed.	A
Malfunctioning parts are confirmed.	B

HINT:

Refer to Data List / Active Test.

Click herePower Source / Network>M20C-FKS (BATTERY / CHARGING)>CHARGING SYSTEM>DATA LIST / ACTIVE TEST202004,202304,_57,_087045,_0418150,RM100000001MIOA,202304,202405,_57,_087045,_0418150,RM1000000029C40,202405,999999,_57,_087045,_0418150,RM100000002IF7Z,

Result:

Result	Proceed to
Malfunctioning parts are not confirmed.	A
Malfunctioning parts are confirmed.	B

HINT:

Refer to Terminals of ECM.

Click herePower Source / Network>M20C-FKS (BATTERY / CHARGING)>CHARGING SYSTEM>TERMINALS OF ECM202004,202304,_57,_087045,_0418150,RM100000001MIO5,202304,999999,_57,_087045,_0418150,RM1000000029C3Y,

Result:

Result
OK
NG

HINT:

Refer to Symptom Simulation.

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201910,999999,_V1,_083040,_0402301,RM100000001JHCA,

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