Fuel Gauge & Warning Light
- Unplug connector at fuel tank sending unit. Connect a 12-volt, 3.4-watt test light between lead wire and ground. Turn ignition on. Bulb should start flashing and needle should vibrate.
- Turn ignition off. Connect ohmmeter to sending unit terminals. Move sender arm and check that resistance varies within specifications. Pointer of gauge should move when sender is connected and float arm is moved.
FUEL SENDING UNIT RESISTANCE
| Model |
Float Position |
Ohms |
| Camry |
Full |
2-5 |
| Camry |
Empty |
107-113 |
| Land Cruiser 60 Series |
Full |
15-19 |
| Land Cruiser |
Half |
35-45 |
| Land Cruiser |
Empty |
113-127 |
| All Others |
Full |
1-5 |
| All Others |
Half |
28-37 |
| All Others |
Empty |
102-118 |
- To check low fuel warning light sensor, remove fuel sender from tank. Connect battery voltage to sensor terminal. Connect a 12-volt 3.4-watt test light between body of sending unit and ground. With sensor dry, light should come on within 40 seconds. With sensor in gasoline or water, light should not come on.
FUEL & TEMPERATURE GAUGE RESISTANCE
| Model Type |
Term.-Conn. |
Fuel (Ohms) |
Temp. (Ohms) |
| Camry |
A-B |
100 |
55 |
| " |
A-C |
200 |
145 |
| " |
B-C |
100 |
200 |
| Celica |
IG-FU |
102 |
N/A |
| " |
FU-E |
101 |
N/A |
| " |
IG-E |
203 |
146 |
| " |
IG-TU |
N/A |
56 |
| " |
TU-E |
N/A |
202 |
| Corolla (RWD) |
IG-U |
102 |
99 |
| " |
U-E |
101 |
156 |
| " |
IG-E |
203 |
255 |
| Corolla (FWD) |
IG-FU |
83 |
N/A |
| " |
FU-E |
156 |
N/A |
| " |
IG-E |
239 |
N/A |
| " |
IG-TU |
N/A |
65 |
| " |
TU-E |
N/A |
21 |
| " |
U-E |
N/A |
46 |
| Cressida |
IG-FU |
92 |
N/A |
| " |
U-E |
116 |
N/A |
| " |
IG-E |
208 |
135 |
| " |
IG-TU |
N/A |
54 |
| " |
TU-E |
N/A |
210 |
| Land Cruiser |
IG-FU |
86 |
N/A |
| " |
FU-E |
155 |
N/A |
| " |
IG-E |
241 |
N/A |
| " |
1-2 |
N/A |
55 |
| MR2 |
IG-FU |
203 |
N/A |
| " |
FU-E |
101 |
N/A |
| " |
IG-E |
102 |
56 |
| " |
IG-TU |
N/A |
146 |
| " |
TU-E |
N/A |
202 |
| Pickup & 4Runner |
IG-FU |
83 |
N/A |
| " |
FU-E |
156 |
N/A |
| " |
IG-E |
239 |
273 |
| " |
IG-TU |
N/A |
135 |
| " |
TU-E |
N/A |
138 |
| Supra |
IG-U |
103 |
56 |
| " |
U-E |
65 |
202 |
| " |
IG-E |
167 |
146 |
| Tercel |
C-D |
55 |
N/A |
| " |
E-F |
N/A |
55 |
| Van |
IG-FU |
125 |
N/A |
| " |
FU-E |
55 |
N/A |
| " |
IG-E |
70 |
N/A |
| " |
1-TU |
N/A |
55 |
| " |
IG-FU |
64 |
N/A |
| " |
FU-E |
169 |
N/A |
| " |
IG-E |
233 |
N/A |
| " |
IG-TU |
N/A |
55 |
| " |
U-E |
N/A |
125 |
| " |
IG-E |
N/A |
70 |