Subaru 2009 IMPREZA Service Manual page 909

Diagnostic Trouble Code (DTC) Detecting Criteria
DK:DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Judge as NG when the electronic throttle control power is supplied even when ECM sets the electronic throt-
tle control relay to OFF.
2. COMPONENT DESCRIPTION
(1)
(1) Engine control module (ECM)
(2) Voltage detection circuit
3. ENABLE CONDITIONS
Secondary Parameters
Electronic throttle control relay output
4. GENERAL DRIVING CYCLE
• When ignition switch ON
• Ignition switch OFF
5. DIAGNOSTIC METHOD
Judge as OK and clear the NG when the malfunction criteria below are met.
Judgement Value
Malfunction Criteria
Motor power voltage
Time Needed for Diagnosis:
• 600 milliseconds (For NG)
• 400 milliseconds (For OK)
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
(2)
(3)
(3) Drive circuit
(4) Electronic throttle control relay
Enable Condition
OFF
OFF
ON (Only after clearing memory)
Threshold Value
5 V
GD(H4SO)-185
GENERAL DESCRIPTION
12V 12V
(4)
(5) Motor
(5)
EN-01868