Dtc C1018: Brake Fluid Level Switch Failure - Suzuki GRAND VITARA JB416 Service Manual

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4F-27 Electronic Stability Program:

DTC C1018: Brake Fluid Level Switch Failure

Wiring Diagram
1
2
12V
[B]
[A]: ESP® control module connector (viewed from terminal side)
[B]: BCM connector (viewed from harness side)
1. BCM
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
• Brake fluid level is too low.
• Input voltage of brake fluid level switch to BCM is low.
DTC Troubleshooting
Step
1
Was "Electronic Stability Program Check" performed?
2
Check brake fluid level
1) Check brake fluid level in reservoir.
Is brake fluid level upper than the minimum level?
3
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 U1073 and/or U1140 detected?
4
Check brake fluid level switch
1) Turn ignition switch to OFF position.
2) Disconnect brake fluid level switch connector.
3) Check for proper connection at each terminal of brake
fluid level switch connector.
4) If OK, then check brake fluid level switch referring to
"Brake Fluid Level Switch Inspection: in Section 9C in
related manual".
Is check result OK?
3
G31-1
RED
G31-3
WHT
5
G31-7
RED/BLK
20
19
18 17
16
15
14
13 12
40
39 38
37
36
35
34
Action
6
4
RED
E53-13
2
WHT
E53-44
G31
11
10
9
8
7
4
3
28 27
26
25
24 23
2. CAN driver
3. Junction connector
4. To TCM, 4WD control module, keyless
start control module, combination
meter and steering angle sensor
• Brake fluid level
• Brake fluid level switch circuit
• Brake fluid level switch
• BCM
• ESP® control module
Go to Step 2.
Go to Step 3.
Go to applicable DTC
diag. flow.
Go to Step 5.
[A]
E53
32
1
17
33
2
18
34
3
19
35
4
20
36
5
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
30
46
15
31
2
1
47
16
22
21
5. Brake fluid level switch
6. ESP® hydraulic unit control module assembly
Trouble Area
Yes
Go to "Electronic
Stability Program
Check: ".
Replenish brake fluid to
reservoir.
Go to Step 3.
Replace brake fluid
level switch.
S5JB0E4604027
I6JB01460017-02
No

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