ABS: 4E-28
DTC C1071: ABS (ESP®) Control Module Internal Defect
S5JB0E4504019
Wiring Diagram
DTC Detecting Condition
This DTC will be set when an internal malfunction is detected in the ABS (ESP®) control module.
3 Check main fuse for ABS solenoid and its terminal.
Is it in good condition?
Go to Step 4. Replace fuse and check
for short circuit to
ground.
4 1) Turn ignition switch to OFF position.
2) Disconnect ABS (ESP®) control module connector.
3) Check for proper connection to ABS (ESP®) control
module at terminal “E03-14” (or “E53-1”).
4) If OK, then measure voltage between connector terminal
“E03-14” (or “E53-1”) and body ground.
Is it 10 – 14 V?
Substitute a known-
good ABS (ESP®)
hydraulic unit / control
module assembly and
recheck.
“WHT/BLU” circuit
imperfect short to
ground.
Step Action Yes No
1
2
WHT/BLU
12V
M
3
4
E53-32
E53-1
BLK
BLK
E53-16
E53-47
WHT/RED
WHT/BLU
12V
M
3
5
E03-1
E03-14
BLK
BLK
E03-13
E03-26
WHT/RED
[D]
E03
15
16
17
18
19
20
21
22
23
24
25
2
3
4
5
6
7
8
9
10
11
12
1
13
14
26
[C]
E53
16
1
15
2
3
4
5
6
7
8
9
10
11
12
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
[A] [B]
I6JB01450012-02
[A]: With ESP® [D]: ABS control module connector (viewed
from terminal side)
3. Power control unit
[B]: Without ESP® 1. Battery 4. ESP® hydraulic unit / control module assembly
[C]: ESP® control module connector (viewed from
terminal side)
2. Main fuse box 5. ABS hydraulic unit / control module assembly
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