Suzuki DL650 Service Manual page 194

4-34 FI SYSTEM DIAGNOSIS
Step 2
1)
Turn the ignition switch OFF.
2) Measure the IAT sensor resistance.
IAT sensor resistance:
Approx. 2.45 kQ at 20 O C (68 OF) (Terminal
-
Terminal)
09900-25008: Multi circuit tester set
l m
Tester knob indication: Resistance (Q)
Is the resistance OK?
Dg or B/Br wire open or shorted to ground, or
poor
@
or
@
connection.
If wire and connection are OK, intermittent trou-
YES
I
ble or faulty ECM.
Intake Air Temp Resistance
I
NO
Recheck each terminal and wire harness for
open circuit and poor connection.
Replace the IAT sensor with a new one.
20 "C (68 O F )
Approx. 2.45 W2
I
NOTE:
40 "C (1 04 O F )
-
/AT sensor resistance measurement method is the same way as
Approx. 1.1 48 W2
60 "C (1 40 O F )
80 "C (176 O F )
that of the ECT sensor. Refer to page 6-10 for details.
I
Approx. 0.587 W2
Approx. 0.322 k C 2