Lexus IS250 IS220d GSE20 ALE20 - A960E AUTOMATIC TRANSMISSION
PARK / NEUTRAL POSITION SWITCH - ON-VEHICLE INSPECTION
1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
Apply the parking brake.
Turn the engine switch on (IG).
Depress the brake pedal and check that the engine starts when the shift lever is set in the N or P position, but does not start in other positions.
Check that the back-up light comes on and the reverse warning buzzer sounds when the shift lever is set in the R position, but the light and buzzer do not operate in other positions.
If a failure is found, check the park/neutral position switch for continuity.