Lexus ES: 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: | Tester Connection | Condition | Specified Condition | | 5 (SS1) - 6 (AGND) 1 (SS2) - 6 (AGND) | Not pushed | 10 kΩ or higher | | Pushed | Below 1 Ω | If the result is not as specified, replace the engine switch. | | | *a | Component without harness connected (Engine Switch) | | |
(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:
INSTALLATION PROCEDURE 1. INSTALL ENGINE SWITCH (a) Attach the claw to install the engine switch as shown in the illustration. Install in this Direction 2. INSTALL SWITCH BASE Click here 3
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
SEE MORE:
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DESCRIPTION If a malfunction in the speed sensor signal circuit or yaw rate and acceleration sensor (airbag ECU assembly) circuit occurs, the 4WD ECU assembly will output this DTC. The airbag ECU assembly has a built-in yaw rate and acceleration sensor. DTC No. Detection Item DTC Detection Co
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