Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 285
![](/vehicles/jari/lstist/oryont/they.png)
4E-32 ABS:
DTC U1073: Control Module Communication Bus Off (Diesel Engine Model)
S6JB0A4504021
Wiring Diagram
WHT/RED
WHT/BLU
WHT/RED
WHT
RED
WHT
RED
E66-32
E66-26
E03-10
E03-8
E03-6
G24-6
G24-5
WHT
RED
WHT
RED
G28-8
G28-10
G45-10
G45-9
WHT/BLU
E03-12
WHT
RED
2
WHT/RED
E53-42
E53-46
E53-44
WHT/BLU
E53-13
1
E91-22
E91-23
3
9
5
7
6
8
G31-1
G31-3
WHT
RED
4
G31-2
G31-4
10
[D]
[H]
[I]
1
2
3
4
5
6
7
8
9
10
11
17
1615141312
2221201918
G28
[F]
G31
1
2
3
4
7
8
9
10
11
14
15
16
36
34
35
24 23
21
22
28 27
25
26
37
39 38
40
18 17
13 12
19
20
E91
1
2
3
10
11
12
16
17
18
15 14 13
19
20
21
25
26
5
6
[E]
[G]
[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]
[J]
G45
10 9
3 2 1
[A]
[B]
1
3
7
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
2
4
6
8
9
10
11
12
13
14
5
E66
1
2
3
4
5
6
7
8
G24
WHT
WHT
RED
RED
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
I5JB0B450005-03
[A]: ESP
® model
[H]: Immobilizer Control module (ICM)
connector (viewed from harness side)
5. ECM
[B]: Non-ESP
® model
[I]: Combination meter connector (viewed
from harness side)
6. Immobilizer Control module (ICM) (if
equipped)
[C]: ESP
® control module connector (viewed from
terminal side)
[J]: Steering angle sensor connector (viewed
from harness side)
7. Combination meter
[D]: ABS control module connector (viewed from terminal
side)
1. ESP
® hydraulic unit / control module
assembly
8. Steering angle sensor
[E]: 4WD control module connector (viewed formalness
side)
2. ABS hydraulic unit / control module
assembly
9. Junction connector
[F]: BCM connector (viewed from harness side)
3. 4WD control module (if equipped)
10. Data link connector (DLC)
[G]: ECM connector (viewed from harness side)
4. BCM
![](/vehicles/jari/lstist/oryont/coas.png)
ABS: 4E-33
DTC Detecting Condition
Transmission error that is inconsistent between transmission data and transmission monitor (CAN bus monitor) data is
detected more than 7 times continuously.
DTC Troubleshooting
Step
Action
Yes
No
1
Go to Step 2.
2
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Recheck DTC.
Is DTC U1073 indicated?
Go to Step 3.
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00” in related manual.
3
1) Turn ignition switch to OFF position.
2) Disconnect connectors of all control modules
communicating by means of CAN.
3) Check CAN communication circuit between control
modules for open, short and high resistance.
Is each CAN communication circuit in good condition?
Go to Step 4.
Repair insulation of
CAN communication
line circuit referring to
“Precaution for CAN
Communication System
in Section 00” in related
manual.
4
1) Connect connectors of disconnected control modules
communicating by means of CAN.
2) Disconnect each connector and check DTC for ABS
(ESP
®) in turn.
• ECM
• BCM
• 4WD control module (if equipped)
• Immobilizer Control module (ICM) (if equipped)
• Combination meter
• Steering angle sensor (ESP
® model)
Is DTC U1073 detected?
Check ABS (ESP
®)
control module power
and ground circuit. If
circuits are OK,
substitute a known-
good ABS (ESP
®)
hydraulic unit / control
module assembly and
recheck.
Check applicable
control module power
and ground circuit. If
circuit is OK, substitute
a known-good
applicable control
module and recheck.
![](/vehicles/jari/lstist/oryont/veandykemeti.png)
4E-34 ABS:
DTC U1100: Lost Communication with ECM (Reception Error) (Petrol Engine Model)
S6JB0A4504020
Wiring Diagram
Refer to “DTC U1073: Control Module Communication Bus Off (Petrol Engine Model)”.
DTC Detecting Condition
Reception error of communication data for ECM is detected more than specified time continuously.
DTC Troubleshooting
Step
Action
Yes
No
1
Was “ABS Check” performed?
Go to Step 2.
2
1) Check DTC for ABS (ESP
®).
Is DTC U1073 detected?
Go to “DTC U1073:
Control Module
Communication Bus Off
(Petrol Engine Model)”.
Go to Step 3.
3
1) Check DTC for ECM.
Is DTC P1674 detected?
Go to “DTC P1674:
CAN Communication
(Bus Off Error): For
Petrol Engine Model in
Section 1A”.
Go to Step 4.
4
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Check DTC for ABS (ESP
®).
Is DTC U1100 detected?
Go to Step 5.
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
5
1) Turn ignition switch to OFF position.
2) Disconnect connectors of ABS (ESP
®) control module
and ECM communicating by means of CAN.
3) Check CAN communication circuit between ABS
(ESP
®) control module and ECM for open, short and
high resistance.
Is CAN communication circuit in good condition?
Go to Step 6.
Repair or replace the
CAN communication
line.
6
1) Disconnect connectors of all control modules
communicating by means of CAN.
2) Check CAN communication circuit between control
modules other than Step 5 for open, short and high
resistance.
Is each CAN communication circuit in good condition?
Go to Step 7.
Repair or replace the
CAN communication
line.
7
1) Connect connectors of disconnected control modules
communicating by means of CAN.
2) Disconnect each connector.
• ECM
• TCM (A/T model)
• BCM
• 4WD control module (if equipped)
• Keyless start control module (if equipped)
• Steering angle sensor (ESP
® model)
3) Check DTC for ABS (ESP
®).
Is DTC U1140 detected?
Check ABS (ESP
®)
control module power
and ground circuit. If
circuits are OK,
substitute a known-
good ABS (ESP
®)
hydraulic unit / control
module assembly and
recheck.
Check applicable
control module power
and ground circuit. If
circuit is OK, substitute
a known-good
applicable control
module and recheck.
![](/vehicles/jari/lstist/oryont/newe.png)
ABS: 4E-35
DTC U1100: Lost Communication with ECM (Reception Error) (Diesel Engine Model)
S6JB0A4504022
Wiring Diagram
Refer to “DTC U1073: Control Module Communication Bus Off (Diesel Engine Model)”.
DTC Detecting Condition
Reception error of communication data for ECM is detected more than specified time continuously.
DTC Troubleshooting
Step
Action
Yes
No
1
Go to Step 2.
2
Check DTC in ABS (ESP
®).
Is DTC U1073 detected?
Go to “DTC U1073:
Control Module
Communication Bus Off
(Diesel Engine Model)”.
Go to Step 3.
3
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Check DTC for ABS (ESP
®).
Is DTC U1100 detected?
Go to Step 5.
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00” in related manual.
4
1) Turn ignition switch to OFF position.
2) Disconnect connectors of ABS hydraulic unit / control
module and ECM.
3) Check CAN communication circuit between ABS and
ECM for open, short and high resistance.
Is CAN communication circuit in good condition?
Go to Step 6.
Repair or replace the
CAN communication
line.
5
1) Disconnect connectors of all control modules
communicating by means of CAN.
2) Check CAN communication circuit between control
modules other than Step 5 for open, short and high
resistance.
Is each CAN communication circuit in good condition?
Go to Step 7.
Repair or replace the
CAN communication
line.
6
1) Connect connectors of disconnected control modules
communicating by means of CAN.
2) Disconnect each connector and check DTC for ABS
(ESP
®) in turn.
• ECM
• BCM
• 4WD control module (if equipped)
• Immobilizer Control module (ICM) (if equipped)
• Combination meter
• Steering angle sensor (ESP
® model)
Is DTC U1073 detected?
Check ABS (ESP
®)
control module power
and ground circuit. If
circuits are OK,
substitute a known-
good ABS (ESP
®)
hydraulic unit / control
module assembly and
recheck.
Check applicable
control module power
and ground circuit. If
circuit is OK, substitute
a known-good
applicable control
module and recheck.
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