Suzuki VZ800 Service Manual page 205

5-48 FI SYSTEM
6) Measure the voltage between Dg wire terminal 3 and
ground.
7) Also, measure the voltage between Dg wire terminal 3 and
B/Br wire terminal 4.
 IAT sensor input voltage: 4.5 – 5.5 V
 09900-25008: Multi-circuit tester set
 Tester knob indication: Voltage ()
Is the voltage OK?
YES Go to Step 2.
• Loose or poor contacts on the ECM coupler
(terminal 2 or D)
NO
• Open or short circuit in the Dg wire or B/Br wire
(+ Dg – - Ground)
(+ Dg – - B/Br)
1
V