Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 319
5A-67 Automatic Transmission/Transaxle:
DTC P1702: Internal Control Module Memory Check Sum Error
S6JB0A5104038
DTC Detecting Condition and Trouble Area
NOTE
DTC P1702 can never be cleared once it has been set.
1) Ignition switch OFF.
2) Replace TCM.
3) Repeat “A/T System Check”.
DTC P1703: CAN Invalid Data - TCM
S6JB0A5104039
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
DTC Detecting Condition
Trouble Area
An internal TCM fault is detected by TCM
(1 driving cycle detection logic)
TCM
DTC Detecting Condition
Trouble Area
When abnormality on the gear shift control signal from ECM is
detected by TCM, TCM sets DTC P1703.
(1 driving cycle detection logic)
• Engine control system
• TCM
• ECM
Step
Action
Yes
No
1
Was “A/T System Check” performed?
Go to Step 2.
Go to “A/T System
Check”.
2
DTC Check
Check DTC of ECM referring to “DTC Check: For Petrol
Engine Model in Section 1A”.
Is there any DTC(s)?
Go to applicable DTC
troubleshooting.
Substitute a known-
good TCM and recheck.
Automatic Transmission/Transaxle: 5A-68
DTC P1723: Range Select Switch Malfunction
S6JB0A5104040
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTCs in TCM and ECM memories by using scan tool.
3) Start engine and run it for 20 sec. or more.
4) Check DTC, pending DTC and freeze-frame data.
DTC Troubleshooting
5V
2
1
3
6
5
16 15 14 13 12 11
4 3
24 23
21
22
10 9
8
7
2
1
19
20
18 17
E92
17 16
26 25
15 14
6
5
3
4
2
13 12
23 22
24
11 10 9
21 20 19
8 7
18
1
E93
E92-20
E92-10
YEL/RED
YEL/BLK
I5JB0A510001-01
1. “3” position switch
3. Terminal arrangement of TCM connector (viewed from harness side)
2. TCM
DTC Detecting Condition
Trouble Area
“3” position switch signal is inputted out of specified value.
(1 driving cycle detection logic)
• “3” position switch or its circuit malfunction
• TCM
Step
Action
Yes
No
1
Was “A/T System Check” performed?
Go to Step 2.
Go to “A/T System
Check”.
2
Check “3” position switch circuit
1) Disconnect TCM connector with ignition switch OFF.
2) Check for proper connection to “3” position switch at
“E92-10” and “E92-20” terminals.
3) If OK, check resistance of switch circuit between
terminals “E92-10” and “E92-20” of disconnected
harness side TCM connector.
“3” position switch circuit
Shift selector lever to “P”, “N” or “D” range: 3.96 –
4.04 k
Ω
Shift selector lever to “R”, “3”, “2” or “L” range: 0.99
– 1.01 k
Ω
Is result as specified?
Intermittent trouble or
faulty TCM. Check for
intermittent trouble
referring to “Intermittent
and Poor Connection
Inspection in Section
00”. If OK, substitute a
known-good TCM and
recheck.
Go to Step 3.
3
Check “3” position switch
Check “3” position switch referring to ““3” Position Switch
Inspection”.
Is result as specified?
Replace “3” position
switch.
“3” position switch
circuit is malfunction.
5A-69 Automatic Transmission/Transaxle:
DTC P1774: CAN Communication Bus Off
S6JB0A5104041
Wiring Diagram
WHT
RED
WHT
RED
G44-18
G44-19
G44
[A]
1
2
3
4
5
6
7
8
9
10
11
14
15
16
36
34 33 32
30 29
24 23
37
18
19
20
G28-8
G28-10
WHT/BLU
WHT/BLU
WHT/RED
WHT/RED E23-4
E23-19
WHT
RED
WHT
RED
E92-17
E92-7
WHT
RED
E91-22
E91-23
WHT
RED
RED
G31-1
G31-3
G31-4
[C]
6
5
16 15 14 13 12 11
4 3
24 23
21
22
10 9
8
7
2
1
19
20
18 17
E92
1
2
3
4
5
6
7
8
9
10
11
17
1615141312
2221201918
G28
[F]
[H]
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
[G]
E91
1
2
3
10
11
12
16
17
18
15 14 13
19
20
21
25
26
5
6
[I]
E53
[E]
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
G31-2
WHT
1
2
3
4
9
5
6
8
7
[L]
E03-12
E03-10
E03-6
E03-8
10
11
[K]
E53-13
E53-42
E53-44
E53-46
[D]
8 7
6 5 4 3
2 1
9
10
11
12
13
14
15
16
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
[J]
G45
10 9
3 2 1
WHT
RED G45-9
G45-10
E23
[B]
2 1
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
5453
59
60
58
26
27
28
15
30
56
48
32 31
34
35
36
37
40
42
3938
44
45
43
41
33
12
13
23
8
I5JB0D510005-01
[A]: Keyless start control module
connector (if equipped) (viewed
from harness side)
[G]: 4WD control module connector (if
equipped) (viewed from harness
side)
1. BCM
7. ABS hydraulic unit / control
module
[B]: ECM connector (viewed from
harness side)
[H]: BCM connector (viewed from
harness side)
2. 4WD control module (if equipped)
8. Combination meter
[C]: TCM connector (viewed from
harness side)
[I]: ESP
® control module connector
(if equipped) (viewed from
terminal side)
3. TCM
9. Junction connector
[D]: DLC (viewed from terminal side)
[J]: Steering angle sensor connector
(if equipped) (viewed from
harness side)
4. Keyless start control module (if
equipped)
10. ESP
® control module (if
equipped)
[E]: ABS hydraulic unit / control
module connector (viewed from
terminal side)
[K]: Vehicle equipped with ESP
®
system
5. DLC
11. Steering angle sensor (if
equipped)
[F]: Combination meter connector
(viewed from harness side)
[L]: Vehicle equipped without ESP
®
system
6. ECM
Automatic Transmission/Transaxle: 5A-70
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Start engine and run it for 1 min. or more.
4) Check DTC and pending DTC.
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform “DTC Confirmation Procedure: ” and confirm
that the trouble has been corrected.
DTC Detecting Condition
Trouble Area
Transmission error that is inconsistent between transmission data
and transmission monitor (CAN bus monitor) data is detected more
than 7 times continuously.
(1 driving cycle detection logic)
• ECM
• TCM
• Combination meter
• BCM
• ABS/ESP
® control module
• Steering angle sensor (if equipped)
• 4WD control module (if equipped)
• Keyless start control module (if equipped)
• CAN communication line circuit
Step
Action
Yes
No
1
Was “A/T System Check” performed?
Go to Step 2.
Go to “A/T System
Check”.
2
Control module connector check
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Recheck DTC in TCM referring to “DTC Check”.
Is there DTC P1774?
Go to Step 3.
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
3
CAN communication circuit check
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 circuit.
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