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Home >> Lexus >> 2008 >> LX 570 V8-5.7L (3UR-FE) >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Sensors and Switches - Ignition System >> Ignition Switch >> Testing and Inspection

Ignition Switch: Testing and Inspection









3UR-FE STARTING: ENGINE SWITCH: INSPECTION

1. INSPECT ENGINE SWITCH
(a) 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.
(b) Apply battery voltage between the terminals of the switch, and check the illumination condition of the switch.
HINT:
- If the positive (+) lead and the negative (-) lead are incorrectly connected, the engine switch indicator will not illuminate.
- If the voltage is too low, the indicator will not illuminate.

OK:










If the result is not as specified, replace the engine switch.