Engine General Information and Diagnosis: 1A-152
DTC P0504: Brake Switch “A”/“B” Correlation (For J20 Engine)
S5JB0A1104096
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool to DLC.
2) Turn ON ignition switch and clear DTC.
3) Start engine and warm up to normal operating temperature. (ECT approx. 90 – 95
°
C, 194 – 203
°
F)
4) Drive vehicle at 50 km/h (80 mph) or higher for 3 min. or more.
5) Stop vehicle.
6) Depress brake pedal for 3 times.
7) Check DTC and pending 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
BLK/YEL
WHT/GRN
GRN/WHT
E23-20
GRN/WHT
GRN
12V
E23-8
BLU/BLK
WHT
YEL/GRN
1
3
2
4
5
6
7
I5JB0A110107-02
1. Stop lamp (brake pedal) switch
3. Brake pedal switch
5. Stop lamp
7. “STOP” fuse
2. Stop lamp switch
4. ECM
6. “CRUISE” fuse
DTC detecting condition
Trouble area
Brake pedal switch signal is inconsistent with stop lamp
switch signal.
(1 driving cycle detection logic but MIL does not light up)
• Stop lamp (brake pedal) switch and/or its circuit
• ECM
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