Dtc C1034 / C1039: Yaw Rate / G Sensor Power Supply Failure / Internal Failure - Suzuki SX4 Service Manual

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4F-38 Electronic Stability Program:

DTC C1034 / C1039: Yaw Rate / G Sensor Power Supply Failure / Internal Failure

Wiring Diagram
3
WHT
2
GRN/ORN
1
[A]: ESP® control module connector (viewed from
terminal side)
[B]: Yaw Rate / G Sensor connector (viewed from
harness side)
1. Battery
2. Main fuse box
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
DTC C1034:
Power supply voltage of yaw rate / G sensor is too high or
low.
DTC C1039:
• Yaw rate / G sensor internal failure is detected.
• Abnormal signal from yaw rate / G sensor is detected.
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®.
Are DTC U0073 and/or U0123 detected?
3
Check fuse
Is circuit fuse for yaw rate / G sensor in good condition?
4
GRN
5
6
WHT
RED
7
5V
L34-1
RED
L34-2
6
WHT
L34-3
L34-4
BLK/ORN
3. Ignition switch
4. Junction block assembly
5. BCM (included in junction block assembly)
6. CAN driver
Action
8
RED
E08-2
6
WHT
E08-13
9
[B] L34
• Yaw Rate / G Sensor power supply circuit
• Yaw Rate / G Sensor
• ESP® control module
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
Go to Step 4.
S7RW0A4604023
[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
1
25
2
26
3
4
I6RW0H460009-01
7. Yaw rate / G sensor
8. ESP® hydraulic unit control module assembly
9. CAN junction connector
Trouble Area
No
Go to "Electronic
Stability Program
Check".
Go to Step 3.
Replace fuse and check
for short circuit to
ground.

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