GDI ± On-vehicle Service
13A-105
ACCELERATOR PEDAL POSITION SWITCH
CHECK
1. Disconnect the accelerator pedal position sensor
connector.
2. Check continuity between terminal No.4 (accelerator pedal
position switch) and 5 (sensor earth) of the connector.
Normal condition
Accelerator pedal Continuity
Depressed No continuity
Released Continuity (0 Ω)
3. If defective, replace the accelerator pedal position sensor
assembly.
NOTE
After replacement, adjust the accelerator pedal position
sensor. (Refer to P.13A-94.)
OXYGEN SENSOR CHECK
1. Disconnect the oxygen sensor connector and connect the
special tool (test harness) to the connector on the oxygen
sensor side.
2. Make sure that there is continuity (11 ± 18 Ω at 20_C)
between terminal 1 (red cip of special tool) and terminal
3 (blue clip of special tool) on the oxygen sensor connector.
3. If there is no continuity, replace the oxygen sensor.
4. Warm up the engine until engine coolant is 80_C or higher.
5. Use a jumper wire to connect terminal 1 (red clip) of the
oxygen sensor connector to the battery (+) terminal and
terminal 3 (blue clip) to the battery (±) terminal.
Caution
Be very careful when connecting the jumper wire;
incorrect connection can damage the oxygen sensor.
6. Connect a digital voltage meter between terminal 2 (black
clip) and terminal 4 (white clip).
Equipment
side connector
Accelerator pedal
position sensor
Accelerator
pedal arm
Equipment side connector
Oxygen sensor
Blue
Red
MD998464
Oxygen
sensor
equip-
ment side
connector
Jumper
wire
Black
Red
White
MD998464
Blue
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