Dtc P2111: Throttle Actuator Control System - Stuck Open - Suzuki SX4 Service Manual

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1A-148 Engine General Information and Diagnosis:
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions for DTC Troubleshooting".
Step
1
Was "Engine and Emission Control System Check"
performed?
2
Throttle actuator control relay circuit check
1) Remove throttle actuator control relay from individual
circuit fuse box No.1 with ignition switch turned OFF.
2) Check for proper connection to throttle actuator control
relay at "BLK/RED", "GRY", "BRN" and "GRN" wire
terminals.
3) Turn ON ignition switch.
4) Measure voltage between engine ground and "E01-32"
terminal of ECM connector.
Is voltage 0 V?
3
Throttle actuator control relay circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance between engine ground and "E01-
45" terminal of ECM connector.
Is resistance infinity?
4
Throttle actuator control relay check
1) Check throttle actuator control relay referring to "Main
Relay, Fuel Pump Relay, Starting Motor Control Relay,
Throttle Actuator Control Relay and Radiator Cooling
Fan Relay Inspection in Section 1C".
Is it in good condition?

DTC P2111: Throttle Actuator Control System - Stuck Open

Wiring Diagram
Refer to "DTC P2101: Throttle Actuator Control Motor Circuit Range / Performance".
DTC Detecting Condition and Trouble Area
Throttle position does not change by specified value during diagnosing throttle
valve at ignition switch 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
DTC detecting condition
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Substitute a known-
good ECM and recheck.
• Electric throttle body assembly
• ECM
No
Go to "Engine and
Emission Control
System Check".
"GRN" wire is shorted to
other circuit.
"BRN" wire is shorted to
ground circuit.
Replace throttle
actuator control relay.
S7RW0A1104062
Trouble area

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