Integra (RS, LS) L4-1834cc 1.8L DOHC PFI (1995)
Temperature Gauge: Testing and Inspection
1. Check No. 15 (10A) fuse in underdash fuse/relay box before testing.
Fig. 1 Engine Coolant Temperature Unit
2. Ensure ignition switch is in Off position, then disconnect yellow/green wire from coolant temperature sending unit and ground it with a jumper
wire, Fig. 1..
3. Turn ignition switch On.
4. Ensure pointer of coolant temperature gauge starts moving toward H mark. Turn ignition switch Off before pointer reaches H mark on gauge
dial. Failure to do so may damage gauge.
5. If pointer of gauge does not swing, check the following:
a. Blown fuse in underdash fuse/relay box.
b. Open in yellow/green wire or red wire.
c. If fuse and wiring are satisfactory, replace coolant temperature gauge.
6. If gauge is satisfactory, inspect sending unit.