1A-195 Engine General Information and Diagnosis:
DTC P2122: Pedal Position Sensor (Main) Circuit Low Input
S5JB0A1104082
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Keep the accelerator pedal at idle position for 2 seconds.
4) Keep the accelerator pedal at fully depressed position for 2 seconds.
5) Repeat Step 3) and 4) for 3 times.
6) Check DTC.
E23
C37
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
E23-56
E23-55
E23-54
E23-53
E23-52
E23-51
5 V
5 V
WHT
WHT/BLU
ORN
ORN/BLU
BLU/GRN
BLU/YEL
1
1-1
3
2
1-2
I5JB0A110070-01
1. Accelerator pedal position (APP) sensor
assembly
1-2. Accelerator pedal position (APP) sensor (sub)
3. Ground of accelerator pedal position (APP)
sensor for shield wire
1-1. Accelerator pedal position (APP) sensor
(main)
2. ECM
DTC detecting condition
Trouble area
Output voltage of accelerator pedal position sensor (main)
is less than specified value for 0.5 seconds continuously.
(1 driving detection logic)
• Accelerator pedal position (APP) sensor (main) circuit
• Accelerator pedal position (APP) sensor assembly
• ECM
• Incorrect mounting of accelerator pedal position (APP)
sensor assembly
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