Lexus ES: Check Mode Procedure
CHECK MODE PROCEDURE
HINT:
Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode.
NOTICE:
All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check mode or vice versa; or 2) the engine switch is turned from on (IG) to ACC or off while in check mode. Before changing modes, always check and note any DTCs and freeze frame data.
CHECK MODE PROCEDURE
(a) Check and ensure the following conditions:
(1) Battery voltage is 11 V or higher.
(2) Throttle valve is fully closed.
(3) Shift lever is in P or N.
(4) A/C switch is off.
(b) Turn the engine switch off.
(c) Connect the Techstream to the DLC3.
(d) Turn the engine switch on (IG).
(e) Turn the Techstream on.
(f) Enter the following menus: Powertrain / Engine / Utility / Check Mode.
Powertrain > Engine > Utility| Tester Display |
|---|
| Check Mode |
(g) Switch the ECM from normal mode to check mode.
(h) Check that the MIL flashes as shown in the illustration.
(i) Start the engine.
(j) Check that the MIL turns off.
(k) Simulate the conditions of the malfunction described by the customer.
(l) Check the DTCs and freeze frame data using the Techstream.
READ NEXT:
Fail-safe Chart
FAIL-SAFE CHART If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily or stops fuel injection. DTC Code Component Fail-Safe Operat
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART SFI System DTC No. Detection Item MIL Memory Note Link P001013 A Camshaft Position Actuator Bank 1 Circuit Open Comes on DTC stored SAE Code: P00
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
If the battery voltage becomes low, battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the windshield deicer system may not operate.
HINT:
Use the table below to help determine the caus
Touch Pad Vibration Driver Malfunction (B155A)
DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen vibration driver malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B155A Touch Pad
