10B-21 Body Electrical Control System:
DTC B1170 (No. 1170): EEPROM Access Error
S7RS0BA204012
DTC Detecting Condition and Possible Cause
DTC Troubleshooting
NOTE
Before performing steps below, be sure to perform “Body Electrical Control System Check”.
1) Ignition switch OFF.
2) Replace BCM.
3) Repeat BCM Check Flow Table.
DTC U0155 (No. 0155): Lost Communication with Instrument Panel Cluster (IPC) Control Module
S7RS0BA204019
Wiring Diagram
ABS model
DTC detecting condition Possible cause
Data write error or check sum error. BCM malfunction
RED
WHT
E03-6
E03-12
6
3
7
RED
WHT
1
[B]
[A]
G37
E46
1234567
1234567
891011
891011
121314
121314
151617
18
19202122
[D]
65
161514131211
43
2423 2122
10 9 8 7
21
1920 1817
C34
1716
26
25
1514
65 342
1312
232224
1110 9
212019
87
18
1
C35
[E]
RED
WHT
C37-13
C37-12
RED
WHT
C34-17
C34-7
2
1234567891011141516
36 34 33 32 31 30 29 24 2337
181920
[C]
[F]
G49
E23-3
E23-18
4
RED
WHT
G28-7
G28-9
RED
WHT
G49-19
G49-18
5
RED
WHT
E03-10
E03-8
G37-4
G37-2
RED
WHT
E46-1
E46-2
RED
WHT
RED
WHT
G28-8
G28-10
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
E23
C37
34
1819
5671011
17
20
47 46
495051
2122
52
16
25
9
24
14
29
5557 54 53
59
60
58
2
262728
15
30
56
48
32 31
343536374042 39 38
44
45
43 41 33
1
1213
23
8
34
1819
5671011
17
20
47 46
495051
2122
52
16
25
9
24
14
29
5557 54 53
59
60 58
2
262728
15
30
56
48
32 31
343536374042 39 38
44
45
43 41 33
1
1213
23
8
G28
1234567
8
910111213141516
1718
19
20
212223242526272829303132
RED/BLK
WHT/BLK
G37-3
G37-1
+BB
I7RS0BA20004-01
[A]: BCM connector (viewed from harness side) 1. ECM
[B]: ECM connector (viewed from harness side) 2. TCM (A/T model)
[C]: Combination meter connector (viewed from harness side) 3. BCM
[D]: TCM connector (viewed from harness side) 4. Combination meter
[E]: Keyless start control module connector (viewed from harness side) 5. Keyless start control module (if equipped)
[F]: ABS control module connector (viewed from harness side) 6. ABS control module
7. Data link connector (DLC)
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