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Cold Start Injector Time Switch

Disconnect switch connector. Note terminal identification. See Fig 1. Using ohmmeter, check resistance between terminals "STA" & "STJ" at appropriate temperature. See COLD START INJECTOR TIME SWITCH SPECIFICATIONS  table. Check resistance between terminal "STA" and ground. Replace switch if not within specification.

COLD START INJECTOR TIME SWITCH SPECIFICATIONS

Application Ohms Condition
22R-E 30-50 Below 50°F (10°C)
22R-E 70-90 Above 77°F (25°C)
22R-E 30-90 To Ground
22R-TE 20-40 Below 86°F (30°C)
22R-TE 40-60 Above 104°F (40°C)
22R-TE 20-80 To Ground
3VZ-E 30-50 Below 50°F (10°C)
3VZ-E 70-90 Above 68°F (20°C)
3VZ-E 30-90 To Ground
Fig 1: Checking Cold Start Injector Time Switch
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