DTC P1366-29: "E" Camshaft Position Actuator Bank 1 Signal Invalid [08/2020 - 08/2021]: Procedure

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR (CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY - ECM)

Disconnect the cam timing control motor with EDU 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
C54-4 (VTM) - C77-72 (EMD1)	Always	Below 1 Ω
C54-4 (VTM) or C77-72 (EMD1) - Body ground and other terminals	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR

Result:

See step 2

REPLACE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY

Replace the cam timing control motor with EDU assembly.

Refer to REMOVAL [08/2020 - 08/2021]

HINT:

Perform "Inspection After Repair" after replacing the cam timing control motor with EDU assembly.

Refer to INITIALIZATION [08/2020 - ]

Result

Proceed to
NEXT

Result:

See step 3

CLEAR DTC

Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Clear the DTCs.
Powertrain > Engine > Clear DTCs

Turn the engine switch off and wait for at least 30 seconds.

Result

Proceed to
NEXT

Result:

See step 4

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
Enter the following menus: Powertrain / Engine / Trouble Codes.

Read the DTCs.

Powertrain > Engine > Trouble Codes

Result

Result	Proceed to
DTCs are not output	A
DTC P1366-29 is output	B

Result:

END

Result:

REPLACE ECM. Refer to REMOVAL [08/2020 - 08/2021]