DTC P0745-14: Pressure Control Solenoid "A" Circuit Short to Ground or Open [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS AND TRANSMISSION WIRE (TRANSMISSION WIRE (SOLENOID (SL1) VALVE) - ECM)
Pre-procedure1
- Disconnect the B29 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Result B29-33 (SL1+) - B29-34 (SL1-) 20°C (68°F) 5.0 to 5.6 Ω Ω B29-33 (SL1+) or B29-34 (SL1-) - Body ground and other terminals Always 10 kΩ or higher kΩ Result
Proceed to OK NG
Post-procedure1
- None
Result:
NG
See step 3
Result:
OK
See step 2
- REPLACE ECM
HINT:
Refer to REMOVAL [10/2022 - ]
Result
Proceed to NEXT Result:
NEXT
PERFORM REGISTRATION. Refer to REGISTRATION [10/2022 - ]
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)
Pre-procedure1
- Disconnect the B25 transmission wire connector.
- Disconnect the B29 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Result B25-17 (SL1+) - B29-33 (SL1+) Always Below 1 Ω Ω B25-16 (SL1-) - B29-34 (SL1-) Always Below 1 Ω Ω B25-17 (SL1+) or B29-33 (SL1+) - Body ground and other terminals Always 10 kΩ or higher kΩ B25-16 (SL1-) or B29-34 (SL1-) - Body ground and other terminals Always 10 kΩ or higher kΩ Result
Proceed to OK NG
Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION WIRE - ECM)
Result:
OK
See step 4
- INSPECT SOLENOID (SL1) VALVE
Refer to INSPECTION [10/2022 - ]
Result
Proceed to OK NG Result:
OK
REPAIR OR REPLACE TRANSMISSION WIRE. Refer to REMOVAL [10/2022 - ]
Result:
NG
REPLACE SOLENOID (SL1) VALVE. Refer to REMOVAL [10/2022 - ]