INAPPROPRIATE OPERATION AND CONTROL RECORD 0x43 (UNUSUAL VOLTAGE OF A BATTERY) [PCM (SKYACTIV-G)]

id0102t4043600

Caution
Inappropriate operation and control code 0x43 is more likely to be recorded than DTC P2504:00.
Inappropriate operation and control code 0x43 may be recorded when the operation conditions are met due to signal noise.
Therefore, if there is no malfunction in the related part, do not replace the part.

Outline

•  If there is a malfunction in the generator output control, the parts damage may occur inhibiting driving or compromising occupant safety.
To prevent this, the PCM performs protection control when the following operation conditions are met.

Operation Conditions

•  Almost same as detection condition for DTC P2504:00
(See DTC P2504:00 [PCM (SKYACTIV-G (WITHOUT Mazda M Hybrid))].)

Protection Control

•  Almost same as fail-safe for DTC P2504:00
(See DTC P2504:00 [PCM (SKYACTIV-G (WITHOUT Mazda M Hybrid))].)

Diagnosis Procedure and Explanation to Customer

STEP

INSPECTION

RESULTS

ACTION
1
PURPOSE: VERIFY DTCs
•  Has any DTC been recorded?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [PCM (SKYACTIV-G (E))].)
No
Go to the next step.
2
PURPOSE: VERIFY CONDITION OF BATTERY AND GENERATOR
•  Inspect the battery and generator referring to the troubleshooting procedure for DTC P2504:00.
•  Is there any malfunctioning location?
Yes
Repair the malfunctioning location.
No
Explain to the customer that the vehicle is normal and the protection control was performed temporarily due to signal noise.