DTC P0327-00: KS System: Low Input (PYUL)
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P0327: 00 (PCM (PYUL)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
KS system: Low input |
| Detection condition |
- The specified time has elapsed with the KS voltage low.
|
| Fail-safe |
- The knock spark retard correction value of the ignition control is set to a fixed value.
- Inhibits engine-stop by i-stop control.
|
| Vehicle status when DTCs are output |
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
- Perform the KOEO or KOER self test. (See DTC INSPECTION
.)
|
| Inspection/action procedure |
- Proceed with the inspection/action in the order from Step 1 below.
- After part repair or replacement, perform the repeatability verifi cation procedure and perform a DTCinspection. (See DTC INSPECTION
)
- If the DTC inspection indicates the same DTC again, go to the next step.
- Inspect the wiring harness (including connector/terminal) between the KS and the PCM.
Purpose/reason (possible cause)
Malfunction in wiring harness (including connector/terminal) between KS and PCM
Referred to service information item
See RELAY INSPECTION
]
- Inspect the KS.
Purpose/reason (possible cause)
KS malfunction
Referred to service information item
(See KNOCK SENSOR (KS) INSPECTION
.)
- Replace the PCM.
Purpose/reason (possible cause)
PCM malfunction (no other possible malfunction considered)
Referred to service information item
(See PCM REMOVAL/INSTALLATION
)
|
Refer to SYSTEM WIRING DIAGRAMS
.
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
PCM |
| 2 |
KS |
| Function explanation (DTC detection outline) |
|