4F-31 Electronic Stability Program:
DTC C1034: Yaw Rate / G Sensor Assembly Power Supply Failure
S5JB0E4604032
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
[A]
E53
16
1
15
2
3
4
5
6
7
8
9
10
11
12
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
1
E53-16
E53-47
12V
12V
E53-32
E53-1
E53-35
BLK/YEL
WHT/GRN
WHT/RED
WHT/BLU
E53-29
E53-25
E53-37
E53-31
L39-3
L39-5
BLK
WHT
L39-2
L39-1
12V
PNK/GRN
PNK/WHT
[B]
L39
3
5
21
46
2
3
5
6
4
7
6
I6JB01460019-03
[A]: ESP® control module connector (viewed from terminal side) 2. Main fuse box 5. Yaw rate / G sensor assembly
[B]: Yaw rate / G sensor assembly connector (viewed from
harness side)
3. Ignition switch 6. CAN driver
1. Battery 4. Junction block assembly 7. ESP® hydraulic unit / control module assembly
DTC Detecting Condition Trouble Area
• Power supply voltage of yaw rate / G sensor assembly
is too high when ignition switch OFF.
• Power supply voltage of yaw rate / G sensor assembly
is too low when ignition switch ON.
• Yaw rate / G sensor assembly power supply circuit
• ESP® control module power supply circuit
• Yaw rate / G sensor assembly
• ESP® control module
Step Action Yes No
1 Was “Electronic Stability Program Check” performed? Go to Step 2. Go to “Electronic
Stability Program
Check: ”.
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 C1057 and/or C1073 detected?
Go to applicable DTC
diag. flow.
Go to Step 3.
3 Check yaw rate / G sensor assembly power supply
circuit
1) Turn ignition switch to OFF position.
2) Disconnect yaw rate / G sensor assembly connector.
3) Check for proper connection to yaw rate / G sensor
assembly connector terminals at “L39-3” and “L39-5”.
4) If OK, then measure voltage between connector terminal
“L39-3” and vehicle body ground.
Is it 0 V?
Go to Step 4. Go to Step 5.
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