Cold Start Injector Time Switch

Turn ignition off. Remove connector from switch. See Fig 1 and Fig 2 for Time Switch Location. Measure resistance across switch terminals at specified temperature. See Fig 3. 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 (2.4L)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Locating TCCS Components (3.0L)

Fig 3: Identifying Cold Start Injector Time Switch Terminals