Engine General Information and Diagnosis: 1A-56
P0110-H (Use of SDS)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. Refer to “Fuel Tank
Removal and Installation in Section 1G (Page 1G-7)”.
3) Check the IAT sensor coupler (1) for loose or poor
contacts.
If OK, then check the IAT sensor lead wire continuity.
4) Disconnect the IAT sensor coupler and turn the ignition
switch ON.
5) Measure the input voltage between the Dg wire “A” and
ground.
If OK, then measure the input voltage between the Dg
wire “A” and B/Br wire “B”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage ( )
IAT sensor input voltage
4.5 – 5.5 V
((+) terminal: Dg – (–) terminal: Ground, (+) terminal:
Dg – (–) terminal: B/Br)
Is the voltage OK?
Go to Step 2. Open circuit in the Dg or
B/Br wire.
1
I944H1110040-01
(A)
“A”
“B”
I944H1110174-01
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