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Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Symptom Troubleshooting - I-Stop >> I-Stop Indicator Light (Green) Flashes >> Diagnostic Procedure
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Diagnostic Procedure

I-STOP INDICATOR LIGHT (GREEN) FLASHES (SKYACTIV-G) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY DTC 
  • Perform the DTC inspection for the following modules. (See DTC INSPECTION .)
    • PCM
    • DSC HU/Control Module (without Mazda M Hybrid)
    • Electronically controlled brake unit (with Mazda M Hybrid)
  • Are any DTCs displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No Go to the next step.
Repair completion verification 1 VERIFY THAT VEHICLE IS REPAIRED 
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Has the malfunction symptom been eliminated?
 Yes Complete the symptom troubleshooting. (Explain contents of repair to customer)
No Refer to the CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW to inspect for a CAN communication error.
  • If the CAN communication is normal, perform the diagnosis from Step 1.
    • If the malfunction recurs, go to the next step.
Repair completion verification 2 VERIFY IF MALFUNCTION IS CAUSED BY NOT PERFORMING PCM REPROGRAMMING 
  • Verify repair information and verify that there is a new calibration in the PCM.
  • Is there a new calibration in the PCM?
 Yes Perform the PCM reprogramming and verify if the malfunction symptom was corrected.
  • If the malfunction recurs, replace the PCM.
No Replace the PCM.


I-STOP INDICATOR LIGHT (GREEN) FLASHES - SKYACTIV-G (US) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY DTC 
  • Perform the DTC inspection for the following modules. (See DTC INSPECTION .)
    • PCM
    • Electronically controlled brake unit
  • Are any DTCs displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-G (US))] .)
No Go to the next step.
Repair completion verification 1 VERIFY THAT VEHICLE IS REPAIRED 
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Has the malfunction symptom been eliminated?
 Yes Complete the symptom troubleshooting. (Explain contents of repair to customer)
No Refer to the CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)] .)
  • If the CAN communication is normal, perform the diagnosis from Step 1.
    • If the malfunction recurs, go to the next step.
Repair completion verification 2 VERIFY IF MALFUNCTION IS CAUSED BY NOT PERFORMING PCM REPROGRAMMING 
  • Verify repair information and verify that there is a new calibration in the PCM.
  • Is there a new calibration in the PCM?
 Yes Perform the PCM reprogramming and verify if the malfunction symptom was corrected.
  • If the malfunction recurs, replace the PCM.
No Replace the PCM.
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