NO.7 CHARGING SYSTEM WARNING LIGHT ILLUMINATED/MESSAGE RELATED TO CHARGING SYSTEM MALFUNCTION INDICATED IN DISPLAY [SKYACTIV-D 1.5]


id0103q2831800

7

CHARGING SYSTEM WARNING LIGHT ILLUMINATED/MESSAGE RELATED TO CHARGING SYSTEM MALFUNCTION INDICATED IN DISPLAY

DESCRIPTION
•  Charging system warning light illuminated.
•  Message related to charging system malfunction indicated in display.
POSSIBLE CAUSE
•  i-ELOOP system malfunction (with i-ELOOP)
•  Erratic signal to PCM
―  Generator or related circuit malfunction
•  Battery malfunction
•  Generator malfunction
•  Instrument cluster malfunction


Diagnostic Procedure

STEP

INSPECTION

RESULTS

ACTION

1
VERIFY PCM DTC
•  Retrieve PCM DTCs using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
With i-ELOOP:Without i-ELOOP:
•  Perform the i-ELOOP symptom troubleshooting “No.1 MESSAGE RELATED TO i-ELOOP SYSTEM FUNCTION INDICATED DISPLAY”, then go to Step 3.
•  Go to the next step.
2
VERIFY CURRENT INPUT SIGNAL STATUS
Caution
•  While performing this step, always operate the vehicle in a safe and lawful manner.
•  When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
•  Access the following PIDs using the M-MDS:
―  ALTT V
•  Do the PIDs indicate the correct values under the trouble condition?
Yes
Inspect the related sensor and circuit.
•  If there is any malfunction:
―  Repair or replace the malfunctioning part according to the inspection results, then go to Step 6.
•  If there is no malfunction:
―  Go to the next step.
No
Go to the next step.
3
INSPECT BATTERY
•  Inspect the battery.
•  Is the battery normal?
Yes
Go to the next step.
No
Recharge or replace the battery, then go to Step 6.
4
INSPECT GENERATOR
•  Inspect the generator.
•  Is the generator normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning part according to the inspection results, then go to Step 6.
5
INSPECT INSTRUMENT CLUSTER
•  Inspect the instrument cluster.
•  Is the instrument cluster normal?
Yes
Go to the next step.
No
Replace the instrument cluster, then go to the next step.
6
Verify the test results.
•  If normal, return to the diagnostic index to service any additional symptoms.
•  If a malfunction remains, inspect the related Service Information and perform the repair or diagnosis.
―  If the vehicle is repaired, troubleshooting is completed.
―  If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.