Dtc C1040: Esp® Continuous Operation; Dtc C1041 / C1042 / C1043 / C1044 / C1045 / C1046 / C1051 / C1052 / C1053 / C1054 / C1055 / C1056: Inlet / Outlet / Cut / Suction Solenoid - Suzuki SX4 Service Manual

DTC C1040: ESP® Continuous Operation
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
• ESP® control is active for more than specified time.
• ESP® control module requested pressure reduction or
keeping all wheel speed sensor for more than specified
time.
DTC Troubleshooting
Step
1 Was "Electronic Stability Program Check" performed
2 Check DTC for ESP®
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch ON and check DTC for ESP®.
Is there any DTC(s) other than C1040?
DTC C1041 / C1042 / C1043 / C1044 / C1045 / C1046 / C1051 / C1052 / C1053 / C1054 / C1055 / C1056:
Inlet / Outlet / Cut / Suction Solenoid
DTC C1041 / C1045 / C1051 / C1055: Right-Front / Left-Front / Right-Rear / Left-Rear Inlet Solenoid
DTC C1042 / C1046 / C1052 / C1056: Right-Front / Left-Front / Right-Rear / Left-Rear Outlet Solenoid
DTC C1043 / C1044: Cut Solenoid No. 1 / No. 2
DTC C1053 / C1054: Suction Solenoid No. 1 / No. 2
Wiring Diagram
WHT/BLU
2
1 3
BLK
[A]: ESP® control module connector (viewed from terminal
side)
1. Battery
2. Main fuse box
Action
E08-24
5
6
E08-23
3. ESP® hydraulic unit / control module assembly
4. Solenoid valve
5. Solenoid valve power supply driver
Electronic Stability Program:
Trouble Area
• ESP® control module
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
4
4F-41
S7RW0A4604026
No
Go to "Electronic
Stability Program
Check".
Substitute a known-
good ESP® hydraulic
unit / control module
assembly and recheck.
S7RW0A4604027
[A]
E08
1
12
2
13
3
14
4
15
5
16
6
17
7
18
8
19
9
20
10
21
11
22
23
24
25
26
I6RW0H460011-01
6. Solenoid valve driver (transistor)