Vitara 2WD V6-2.5L (2004)
Temperature Gauge: Component Tests and General Diagnostics
Engine Coolant Temperature Meter On-Vehicle Inspection
1. Disconnect Y/N lead wire going to sender gauge installed to thermostat case.
2. Use a bulb (12 V, 3.4 W) in position to ground wire as illustrated.
3. Turn main switch ON. Confirm that bulb is lighted with meter pointer fluctuating several seconds thereafter. If meter does not fluctuate, replace.