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Neutral Start Switch

NOTE: For more LS400 information, refer to NEUTRAL START SWITCH CIRCUIT diagnosis chart at end of article.

Neutral start switch is located on side of transaxle. Turn ignition off. Disconnect neutral start switch connector. Using a DVOM, check for continuity between terminals specified in the appropriate NEUTRAL START SWITCH CONTINUITY table below. See Fig 1 & 7. If continuity is not as specified, replace neutral start switch.

ES250 NEUTRAL START SWITCH CONTINUITY

Range Continuity Between Terminals
P B & N
P RB & PL
R RB & RL
N B & N
N RB & NL
D RB & DL
2 RB & 2L
L RB & LL
LS400 NEUTRAL START SWITCH CONTINUITY

Range Continuity Between Terminals
P 2 & 3
P 9 & 1
R 9 & 4
N 2 & 3
N 9 & 6
D 9 & 5
2 9 & 7
L 9 & 8
Fig 1: ES250 Neutral Start Switch Terminal ID
G90A18853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: LS400 Neutral Start Switch Terminals
G91D16314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002