LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1994 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Fuel System >> Cold Start Injector System >> Cold Start Injector Time Switch Resistance
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Cold Start Injector Time Switch Resistance

Remove cold start injector time switch. See COMPONENT LOCATIONS  under INTRODUCTION. See Fig 2. Replace cold start injector time switch if resistance is not as specified. See COLD START INJECTOR TIME SWITCH RESISTANCE  table.

COLD START INJECTOR TIME SWITCH RESISTANCE

Terminals Temp. °F (°C) Ohms
STA (1) & STJ (2) Less Than 59 (15) 25-45
STA (1) & STJ (2) More Than 86 (30) 65-85
STA (1) & Switch Body N/A 25-85
Fig 1: Identifying Cold Start Injector Terminals (SC400)
G94J45277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Cold Start Injector Time Switch Terminal ID (SC400)
G94A45278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
WARNING: To prevent fire, keep sparks and flames away from work area.