DTC P0606-94: Control Module Processor Unexpected Operation [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.
- CLEAR DTC
Pre-procedure1
- None.
Post-procedure1
- Turn the ignition switch off.
Result:
NEXT
See step 2
- READ OUTPUT DTC (DTC P0606-94)
Pre-procedure1
- Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
- Connect the cable to the negative (-) battery terminal.
- Start the engine.
- With the vehicle stopped, repeat the accelerator pedal operation (press the accelerator pedal from a state where it is not depressed) several times.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTCs are not output A P0606-94 is output B
Post-procedure1
- None.
Result:
A
CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2022 - ]
Result:
B
See step 3
- CHECK HARNESS AND CONNECTOR (ACCELERATOR PEDAL (WITH SENSOR) ROD ASSEMBLY - ECM)
Pre-procedure1
- Disconnect the accelerator pedal (with sensor) rod assembly connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Result A13-6 (VPA) - A16-55 (VPA) Always Below 1 Ω Ω A13-3 (VPA2) - A16-58 (VPA2) Always Below 1 Ω Ω A13-4 (VCPA) - A16-57 (VCPA) Always Below 1 Ω Ω A13-1 (VCP2) - A16-60 (VCP2) Always Below 1 Ω Ω A13-5 (EPA) - A16-56 (EPA) Always Below 1 Ω Ω A13-2 (EPA2) - A16-59 (EPA2) Always Below 1 Ω Ω A13-6 (VPA) or A16-55 (VPA) - Body ground and other terminals Always 10 kΩ or higher kΩ A13-3 (VPA2) or A16-58 (VPA2) - Body ground and other terminals Always 10 kΩ or higher kΩ A13-4 (VCPA) or A16-57 (VCPA) - Body ground and other terminals Always 10 kΩ or higher kΩ A13-1 (VCP2) or A16-60 (VCP2) - Body ground and other terminals Always 10 kΩ or higher kΩ A13-5 (EPA) or A16-56 (EPA) - Body ground and other terminals Always 10 kΩ or higher kΩ A13-2 (EPA2) or A16-59 (EPA2) - Body ground and other terminals Always 10 kΩ or higher kΩ Result
Proceed to OK NG
Post-procedure1
- None.
Result:
OK
REPLACE ECM. Refer to REMOVAL [10/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR