Suzuki GRAND VITARA JB416, Service Manual

Page: 47 / 474

Engine General Information and Diagnosis: 1A-29
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions For DTC Troubleshooting: in related manual”.
DTC P1603: TCM Trouble Code Detected (For J20 Engine)
S5JB0E1104063
Wiring Diagram
Step Action Yes No
1 Was “Engine and Emission Control System Check”
performed? Go to Step 2. Go to “Engine and
Emission Control
System Check: in
related manual”.
2 Vehicle speed signal check
Is vehicle speed displayed on scan tool in Step 4) and 5) of
“DTC Confirmation Procedure”?
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection: in Section
00 in related manual”.
Go to Step 3.
3 DTC check in ABS / ESP
®
control module
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ABS / ESP
®
control module for DTC.
Is there any DTDC(s) in ABS / ESP
®
control module?
Go to applicable DTC
diag. flow. Substitute a known-
good ECM and recheck.
WHT/BLU
WHT/RED
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
E23-4
E23-19
1
RED
WHT
E03-12
E03-6
WHT/BLU
WHT/RED
E03-8
E03-10
RED
WHT E92-7
E92-17
2
3
I5JB0A110067-02
1. ECM 2. TCM (for A/T model) 3. ABS / ESP
®
control module