Avalon, Celica, Corolla & ECHO

Connect wiring harness as shown in Fig 1. Adjust ammeter pointer to zero using slide rheostat, then read rheostat indicator. Compare resistance value to specifications. See ENGINE COOLANT TEMPERATURE GAUGE SENDER RESISTANCE  table.

Fig 1: Testing Engine Coolant Temperature Sender (Except Camry, Camry Solara & MR2)

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