Suzuki Ignis Service Manual page 3338

Step
10 Fuel Level Sensor Output Signal Circuit Check for Open
1) Remove fuel pump referring to "Fuel Pump Assembly
Removal and Installation" in Section 6C.
2) Connect connectors to combination meter.
3) Turn ON ignition switch, measure voltage between
"YEL/RED" wire terminal of disconnected fuel pump
connector and vehicle body ground.
Is voltage 10 – 14 V?
11 Fuel Level Sensor Ground Circuit Check
1) Turn ignition switch to OFF position.
2) Check for proper connection to "BLK/ORN" wire ter-
minal of fuel pump connector.
3) If OK, measure resistance between "BLK/ORN" wire
terminal of fuel pump connector and vehicle body
ground.
Is resistance below 5 Ω?
12 Fuel Level Sensor Circuit Check for High Resistance
1) Check for proper connection to "YEL/RED" wire ter-
minal of fuel pump connector.
2) If OK, measure resistance between "YEL/RED" wire
terminal of fuel pump connector and "G91-14" wire
terminal of ECM connector.
Is resistance below 10 Ω?
13 Check Fuel Level Sensor
1) Check fuel level sensor referring to "Fuel Level Sen-
sor (Gauge Unit) Inspection" in Section 8C.
Is it in good condition?
Action
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-137
Yes
Go to Step 11.
Go to Step 12.
Go to Step 13.
Faulty combination
meter.
No
"YEL/RED" wire
circuit open.
"BLK/ORN" wire in
open or high resis-
tance circuit.
"YEL/RED" wire in
high resistance cir-
cuit.
Faulty fuel level
sensor.