Subaru 2009 IMPREZA Service Manual page 919

Diagnostic Trouble Code (DTC) Detecting Criteria
DQ:DTC P2135 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B"
VOLTAGE CORRELATION
1. OUTLINE OF DIAGNOSIS
Judge as NG when the signal level of throttle position sensor 1 is different from the throttle position sensor 2.
2. COMPONENT DESCRIPTION
(4)
(1) Throttle position sensor 1 signal
(2) Throttle position sensor 2 signal
3. ENABLE CONDITIONS
Secondary Parameters
Ignition switch
Battery voltage
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
(1)
(2)
(3) Throttle position sensor
Enable Conditions
ON
6 V
GD(H4SO)-195
GENERAL DESCRIPTION
(3)
(4) Engine control module (ECM)
EN-01859