Suzuki Wagon R Manual page 4041

8C-6 INSTRUMENTATION / DRIVER INFORMATION
"b"
"a"
"c"
"d"
On-Vehicle Service
Low Fuel Warning System
Operation
This light comes ON for 4 seconds after ignition switch is turned
to ON position, and goes out.
However, in insufficient fuel level, this light indicates low fuel level
by the following operation.
Low fuel warning light operation:
Low fuel warning
light operation
OFF
ON
Flashing
NOTE:
Low fuel warning light turns off until fuel level in fuel tank
is more than 7.0 liters (1.54 gal/Imp) if it is turned ON or
flashing once.
System Inspection
1) Confirm that low fuel warning light comes ON for 4 seconds
2) Remove fuel pump assembly.
3) Check fuel sender gauge referring to "FUEL SENDER
4) Connect fuel pump connector (1) to fuel pump (2).
5) Connect negative (–) cable to battery.
6) Turn ignition switch to ON position.
7) After 4 seconds, check for low fuel warning lamp operation
Low fuel warning light operation:
2
"a" 145 mm (5.70 in.)
"b" 136 mm (5.35 in.)
"c" 150 mm (5.90 in.)
1
"d" 200 mm (7.90 in.)
Fuel level in fuel tank
4.3 liters (0.95 gal/Imp) or more
2.9 – 4.3 liters (0.64 – 0.95 gal/Imp)
0 – 2.9 liters (0 – 0.64 gal/Imp)
after ignition switch turned to ON position, and goes out.
GAUGE" under "ON-VEHICLE SERVICE" in this Section.
under the following each float position (1) of fuel pump (2).
If faulty condition is found, replace combination meter.
Reference position Low fuel warning
light operation
OFF
OFF if low fuel warning light
ON or flashing once
ON
Flashing