Dtc P2103: Throttle Actuator Control Motor Circuit High - Suzuki Swift Sport 2004 Service & Repair Manual

Step
5 Throttle actuator control relay circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance at the following connector terminals.
• Between "BLU/ORN" wire terminal of throttle actuator
control relay connector and "E23-45" terminal of ECM
connector
• Between "RED/YEL" wire terminal of throttle actuator
control relay connector and "E23-32" terminal of ECM
connector
Is each resistance below 5
6 Throttle actuator control relay check
1) Check throttle actuator control relay referring to "Main
Relay, Fuel Pump Relay and Starting Motor Control
Relay Inspection in Section 1C".
Is it in good condition?

DTC P2103: Throttle Actuator Control Motor Circuit High

Wiring Diagram
Refer to "DTC P2101: Throttle Actuator Control Motor Circuit Range / Performance".
DTC Detecting Condition and Trouble Area
DTC detecting condition
Power supply voltage of throttle actuator control circuit is
more than 5 V for specified time even if throttle actuator
control relay is turned off.
(1 driving detection logic.)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Ignition switch turned OFF for 20 sec. or more.
4) Turn ON ignition switch and check DTC.
Action
Ω
?
Engine General Information and Diagnosis:
Yes
Go to Step 6.
Substitute a known-
good ECM and recheck.
Trouble area
• Throttle actuator control relay circuit
• Throttle actuator control relay
• ECM
1A-155
No
"BLU/ORN" wire and/or
"RED/YEL" wire is open
or high resistance.
Replace throttle
actuator control relay.
S7RS0B1104069