Dtc C1015: G Sensor Circuit (4Wd Model) - Suzuki SX4 Service Manual

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4E-21 ABS:

DTC C1015: G Sensor Circuit (4WD Model)

Wiring Diagram
Refer to "Wiring Diagram" under "DTC C1013: Control Module Mismatch".
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
• G sensor signal voltage is out of specified range.
• Vehicle behavior and G sensor signal is disagreed.
NOTE
When a vehicle is lifted up and its wheel(s) is turned, this DTC is set.
In such case, clear the DTC and check again.
Troubleshooting
Step
1
Was "ABS Check" performed?
2
Is G sensor installed its bracket securely?
3
G sensor check
1) Disconnect G sensor connector and ABS hydraulic unit /
control module connector with ignition switch turned
OFF.
2) Check for proper connection to G sensor connector and
ABS hydraulic unit / control module terminals of "E08-3"
and "E08-6".
3) If OK then check G sensor referring to "G Sensor
Inspection (4WD Model)".
Is it in good condition?
4
G sensor power source voltage check
1) Turn ignition switch to ON position and measure voltage
between "GRN/ORN terminal of G sensor connector and
vehicle body ground.
Is it 10 – 14 V?
5
G sensor signal circuit and ground circuit check
1) Measure resistance between following terminals.
• Between "E08-3" terminal and "GRN/BLK" terminal of
G sensor.
• Between "E08-6" terminal and "GRN/YEL" terminal of
G sensor.
Is each resistance less than 2
6
G sensor ground circuit check
1) Connect ABS hydraulic unit / control module connector
with ignition switch turned OFF.
2) Turn ignition switch to ON position and measure voltage
between "GRN/BLK" terminal of G sensor connector and
vehicle body ground.
Is it 0 V?
Action
?
Trouble Area
• G sensor
• G sensor circuit
• ABS control module
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 5.
Go to Step 6.
Substitute a known-
good ABS hydraulic unit
/ control module
assembly and recheck.
S7RW0A4504013
No
Go to "ABS Check".
Tighten G sensor bolt
and recheck.
Replace G sensor.
"GRN/ORN" circuit
open.
"GRN/BLK" and/or
"GRN/YEL" wire circuits
in open or high
resistance.
"GRN/BLK" circuit to
power circuit.

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