DR-5B Coolant Sensor Circuit to Logic Module

1. With diagnostic read-out tool connected to engine harness connector, coolant sensor connector disconnected and system in Sensor Test Mode 04, connect a jumper wire between terminals of coolant sensor harness connector. Note that display readings must be multiplied by 10.
2. If display reads 260°, replace engine coolant sensor.
3. If display reads 00°, proceed to Test 5 step C. DR-5C Coolant Sensor Wires to Logic Module