Lexus NX: 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 power 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) Auxiliary 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 power switch off.
(c) Connect the Techstream to the DLC3.
(d) Turn the power switch on (IG).
(e) Turn the Techstream on.
(f) Enter the following menus: Powertrain / Engine and ECT / Utility / Check Mode.
Powertrain > Engine and ECT > 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) Turn the power switch on (READY).
(j) Check that the MIL turns off.
(k) Simulate the conditions of the malfunction described by the customer.
(l) Check 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 Link P0010 Camshaft Position "A" Actuator Circuit (Bank 1) Comes on DTC stored P0011 Camshaft
SEE MORE:
Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH
DESCRIPTION If the manual up and down function operates normally but the auto up and down function does not, then fail-safe mode may be functioning. If power window initialization has not been performed, the auto up and down function will not operate. Click here WIRING DIAGRAM CAUTION / NOTICE /
Inspection
INSPECTION PROCEDURE 1. INSPECT BACK DOOR LOCK ASSEMBLY (w/o Power Back Door) (a) Check the operation of the door lock motor. (1) Move the back door lock assembly to the lock position. (2) Apply auxiliary battery voltage to the door lock motor assembly and check the operation of the door lock mot
