Check Accelerator Pedal Sensor Area (Method With Circuit Tester)
- Disconnect the ground terminal from battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
- Remove the ECM. <Ref. to REMOVAL , Engine Control Module (ECM).> <Ref. to REMOVAL , Engine Control Module (ECM).>
- Install the ST between the ECM and bulkhead harness and the engine harness. <Ref. to
CAUTION
, General Description.> <Ref. to
CAUTION
, General Description.>
ST 18460AA050 CHECK BOARD
- Connect the ground terminal to battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
- Turn the ignition switch to ON. (Engine OFF)
- Measure the voltage between ECM connector terminals using ST.
Main sensor side
Fig 1: Measuring Voltage Between Main Sensor Side ECM Connector Terminals Using Check Board (ST 18460AA050)Courtesy of SUBARU OF AMERICA, INC.
Sub sensor side
Fig 2: Measuring Voltage Between Sub Sensor Side ECM Connector Terminals Using Check Board (ST 18460AA050)Courtesy of SUBARU OF AMERICA, INC.
Accelerator pedal sensor Accelerator pedal Terminal No. Standard Main Not depressed (full closed) 29 (+) and 33 (-) 0.3 - 1.1 V Depressed (full opened) 2.3 - 3.8 V Sub Not depressed (full closed) 31 (+) and 34 (-) 0.3 - 1.1 V Depressed (full opened) 2.3 - 3.8 V - After inspection, install the related parts in the reverse order of removal.