Lexus ES manuals

Lexus ES: Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS

HINT:

Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.

  1. Clear the DTCs.

    Click here

  2. Change the ECM from normal mode to check mode using the Techstream.

    Click here

  3. Perform a simulation test.

    Click here

  4. Check and wiggle the harness(es), connector(s) and terminal(s).

    Click here

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 Basic Inspection

CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by

 Registration

REGISTRATION CAUTION / NOTICE / HINT PROCEDURE 1. VIN (VEHICLE IDENTIFICATION NUMBER) NOTICE: The Vehicle Identification Number (VIN) must be written to a replacement ECM. HINT: The VIN is a 17-digit

 Initialization

INITIALIZATION Inspection After Repair Perform Learning Value Reset and Idle Learning after replacing or servicing parts related to engine operation. Details on procedures required are indicated by an

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 Removal

REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL LH Click here 2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH HINT: Use the same procedure as for the RH side. Click here 3. REMOVE REAR FENDER SPLASH SHIELD SUB-ASSEMBLY LH HINT: Use the same procedure as for the RH side. Click here 4. REMOVE PIN HOLD CL

 "E" Camshaft Position Actuator Bank 1 Signal Invalid (P136629)

DESCRIPTION Refer to DTC P001001. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P136629 "E" Camshaft Position Actuator Bank 1 Signal Invalid Malfunction in diagnostic signal (VTM) of cam timing control motor with EDU assembly is detec

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