Subaru LEGACY 2006 Manual page 654

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Diagnostic Trouble Code (DTC) Detecting Criteria
DO: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 electric throttle
control relay to OFF.
2. COMPONENT DESCRIPTION
(1)
(1) Engine control module (ECM)
(2) Voltage detection circuit
3. ENABLE CONDITION
Secondary Parameters
Electronic control throttle relay output
4. GENERAL DRIVING CYCLE
• When ignition switch ON → OFF
• Ignition switch OFF → ON (Only after clearing memory)
(2)
(3)
(3) Drive circuit
(4) Electronic throttle control relay
Enable Conditions
OFF
GD(H4SO)-217
GENERAL DESCRIPTION
12V 12V
(4)
(5)
(5) Motor
EN-01868