B3000 DS Cab Plus 2WD V6-3.0L OHV (2001)
Temperature Gauge: Testing and Inspection
Engine Coolant Temperature Gauge Test
1. Disconnect ECT sender connector. Connect one lead of Fuel Thermometer SST 49 0839 285 to the sender connector (R/W) and the other lead to
ground.
2. Set Fuel Thermometer SST 49 0839 285 to 300 ohms. Key ON. Wait one minute. The engine coolant temperature gauge should indicate C
(cold). Key OFF.
3. Set Fuel Thermometer SST 49 0839 285 to 45 ohms. Key ON. Wait one minute. The engine coolant temperature gauge pointer should be in the
one quarter range to mid range. Key OFF.
4. Set Fuel Thermometer SST 49 0839 285 to 18 ohms. Key ON. Wait one minute. The engine coolant temperature gauge should indicate H (hot).
Key OFF. Return to INCORRECT TEMPERATURE GAUGE INDICATION.
