Details On DTCs
P0C32: 00 (PCM (H3T)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Mazda M Hybrid Boost battery cooling system: Function malfunction |
| Detection condition |
Determination conditions |
- Any one of the following conditions is met:
Condition A:
- Any of the following when the change in the refrigerant temperature in the piping inside the Mazda M Hybrid Boost battery during primary monitoring is less than the specified value.
- The refrigerant temperature in the Mazda M Hybrid Boost battery piping is less than the specified difference between the maximum temperature from the start of the primary monitor to the start of the secondary monitor and the temperature at the start of the primary monitor.
- Secondary monitor minimum temperature is specified value or more
Condition B:
- A/C compressor stops a number of specified times or more while Mazda M Hybrid boost battery is cooling
Condition C:
- Refrigerant pressure detected by refrigerant pressure sensor No. 1 is less than specified value
Condition D:
- Refrigerant pressure detected by refrigerant pressure sensor (integrated with Mazda M Hybrid Boost battery) is less than specified value
|
| Preconditions |
Condition A:
- Mazda M Hybrid Boost battery cooling: Operating
- Engine coolant temperature: 110°C {230°F} or less
- Refrigerant temperature detected by refrigerant temperature sensor (integrated with Mazda M Hybrid boost battery): 15-65°C {59-149°F}
- Elapsed time from A/C compressor operation: 1 s or more
- Average heating amount of Mazda M Hybrid boost battery according to M Hybrid boost battery operation: 200 W or less
Condition B:
- Mazda M Hybrid Boost battery cooling: Operating
- Vehicle speed: 25.1 km/h {15.6 mph}
- Engine coolant temperature: 110°C {230°F} or less
|
| System malfunction location |
Mazda M Hybrid Boost battery cooling system: Function malfunction |
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Condition C:
- Mazda M Hybrid Boost battery cooling: Operating
- Ambient temperature: 3°C {37°F} or more
Condition D:
- Mazda M Hybrid Boost battery cooling: Operating
- Ambient temperature: 3°C {37°F} or more
|
| Malfunction determination period |
Condition A:
Condition B:
Condition C:
Condition D:
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| Fail-safe |
- 48 V power supply circuit is cut off.
- Engine speed is limited to specified rotation speed or less.
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| Vehicle status when DTCs are output |
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| Possible cause |
- BECM detects malfunction in refrigerant pressure sensor (integrated with Mazda M Hybrid Boost battery) or refrigerant temperature sensor (integrated with Mazda M Hybrid Boost battery)
- Improper operation of air conditioner system
- PCM malfunction
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