Suzuki GRAND VITARA 2005 Service Manual page 403

DTC C1016: Stop Lamp Switch Circuit Failure
Wiring Diagram
3
WHT
2
6
E66-29
1
E66-32
7
E66-26
[A]: ESP® control module connector (viewed from
terminal side)
[B]: ECM connector (viewed from harness side)
1. Battery
2. Main fuse box
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
Vehicle behavior and stop lamp switch signal is disagreed
for specified time.
DTC Troubleshooting
Step
1 Was "Electronic Stability Program Check" performed?
2 DTC check for ESP®
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch ON and check DTC for ESP®.
Is DTC U1100 detected?
3 DTC check for ECM
1) Check DTC for ECM.
Is DTC P0571 detected?
GRN
4
5
GRN/WHT
WHT/RED E53-42
WHT/BLU E53-46
3. Junction block assembly
4. Stop lamp switch
5. Stop lamp
6. ECM
Action
[A]
E53
32 1
17
33 2
18
34 3
19
35 4
20
36 5
8
21
37 6
22
38 7
23
39 8
24
40 9
25
41 10
26
42 11
27
43 12
28
44 13
29
45 14
7
30
46 15
31
47 16
• Back up light switch circuit
• Back up light switch
• ECM
• ESP® control module
Go to Step 2.
Go to "DTC U1100: Lost
Communication with
ECM (Reception Error):
".
Go to "DTC P0571:
Brake Switch "A" Circuit
Malfunction: in Section
1A".
Electronic Stability Program:
E66
[B]
14 13 12 11 10 9
20 19 18 17 16 15
26 25 24 23 22 21
32 31 30 29 28 27
7. CAN driver
8. ESP® hydraulic unit control module assembly
Trouble Area
Yes
Go to "Electronic
Stability Program
Check: ".
Go to Step 3.
Substitute a known-
good ESP® hydraulic
unit / control module
assembly and recheck.
4F-26
S5JB0B4604059
2 1
4 3
6 5
8 7
I5JB0B460005-01
No