DTC P1235-13: High Pressure Fuel Pump Circuit Open [08/2020 - ]: Procedure
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- INSPECT FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (FOR HIGH PRESSURE SIDE)
- Inspect the fuel pump assembly (for high pressure side).
Refer to INSPECTION [11/2018 - ]
HINT:
Perform "Inspection After Repair" after replacing the fuel pump assembly (for high pressure side).
Refer to INITIALIZATION [08/2020 - 12/2021] , or refer to INITIALIZATION [12/2021 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (FOR HIGH PRESSURE SIDE). Refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]
Result:
OK
See step 2
- Inspect the fuel pump assembly (for high pressure side).
- CHECK HARNESS AND CONNECTOR (FUEL PUMP ASSEMBLY (FOR HIGH PRESSURE SIDE) - ECM)
- Disconnect the ECM connector.
- Disconnect the fuel pump assembly (for high pressure side) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C18-1 (FP+) - C40-19 (FP1+) Always Below 1 Ω C18-2 (FP-) - C40-18 (FP1-) Always Below 1 Ω C18-1 (FP+) or C40-19 (FP1+) - Body ground and other terminals Always 10 kΩ or higher C18-2 (FP-) or C40-18 (FP1-) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [08/2020 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR