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Cold Start Injector Time Switch

Turn ignition off. Remove connector from switch. See Fig 1 for Time Switch Location. Measure resistance across switch terminals at specified temperature. See Fig 2. Replace switch if resistance is not within specification. See COLD START INJECTOR TIME SWITCH RESISTANCE SPECIFICATIONS  table.

COLD START INJECTOR TIME SWITCH RESISTANCE SPECIFICATIONS

Terminals Temperature: °F (°C) Ohms Reading
STA-STJ Less Than 50 (10) 30-50
" Greater Than 77 (25) 70-90
STA-Ground N/A 30-90
Fig 1: Locating TCCS Components
G91J18225Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying Cold Start Injector Time Switch Terminals
G91A16543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002