Lexus ES: Engine Switch
Inspection
INSPECTION
PROCEDURE
1. INSPECT ENGINE SWITCH
(a) Check the resistance.
| (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the engine switch. |
|
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(b) Check the LED illumination.
(1) Apply battery voltage between the terminals of the engine switch and check the illumination condition of the engine switch indicator light.
OK:
| Condition | Specified Condition |
|---|---|
| Battery positive (+) → Terminal 9 (SWIL) Battery negative (-) → Terminal 6 (AGND) | Illuminates |
HINT:
- If the positive (+) lead and the negative (-) lead are incorrectly connected, the engine switch indicator light will not illuminate.
- If the voltage is too low, the engine switch indicator light will not illuminate.
If the result is not as specified, replace the engine switch.
READ NEXT:
Relay
InspectionINSPECTION PROCEDURE 1. INSPECT ST RELAY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection C
Components
COMPONENTS ILLUSTRATION *1 FLYWHEEL HOUSING SIDE COVER *2 STARTER ASSEMBLY *3 NO. 2 ENGINE WIRE - - Tightening torque for "Major areas involving basic vehicle performance su
SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here PROCEDURE 1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY Click here 2. REMOVE CAM TIMING OIL CONTROL SOLENOID
Shut Down Signal Circuit
DESCRIPTION The cause of the malfunction may be a shutdown signal. Check whether there is a shutdown signal +B short circuit. Related Parts Check Area Inspection HSDN terminal Check that the HSDN terminal voltage decreases to check for an open or short circuit while READY off (IG ON).
