DTC P2138: Pedal Position Sensor (Main / Sub) Voltage Correlation
Wiring Diagram
1
1-1
1-2
15
14
13
12
11
30
28
27
26
29
45
44
43
42
41
59
60
58
57
56
1. Accelerator pedal position (APP) sensor
assembly
1-1. Accelerator pedal position (APP) sensor
(main)
DTC Detecting Condition and Trouble Area
DTC detecting condition
Difference between the opening angle based on
accelerator pedal position sensor (main) and the opening
angle based on accelerator pedal position sensor (sub) is
more than specification for specified time continuously.
(1 driving detection logic)
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.
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3
E23
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
1-2. Accelerator pedal position (APP) sensor (sub)
2. ECM
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Engine General Information and Diagnosis:
WHT
WHT/BLU
ORN
ORN/BLU
BLU/GRN
BLU/YEL
2
1
15
14
13
12
11
17
16
30
28
27
26
29
32 31
45
44
43
42
41
59
47 46
60
58
57
56
• Accelerator pedal position (APP) sensor (main) and
(sub) circuit
• Accelerator pedal position (APP) sensor assembly
• ECM
2
5 V
E23-56
E23-55
5 V
E23-54
E23-53
E23-52
E23-51
C37
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
3. Ground of accelerator pedal position (APP)
sensor for shield wire
Trouble area
1A-208
S5JB0A1104087
2
1
17
16
32 31
47 46
I5JB0A110070-01