Service Hints

P1(A) BACK-UP LIGHT SW [PARK/NEUTRAL POSITION SW] (A/T),
B1 (B) BACK-UP LIGHT SW (M/T)
(A) 3-(A) 2, (B) 2-(B) 1 : Closed with shift lever in R position

B3 BACK-UP LIGHT RELAY (A/T)
5-3 : Closed with shift level in R position and ignition SW at ON position