Suzuki SX4 Service Manual page 687

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Troubleshooting
Step
1
Check fuse
Are main fuses and circuit fuses for ESP
condition?
2
Check ESP® control module power supply circuit
1) Turn ignition switch to OFF position.
2) Disconnect ESP® control module connector.
3) Check for proper connection to ESP® control module
connector at terminals "E08-9", "E08-23","E08-24"h,
"E08-25" and "E08-26".
4) If OK, then turn ignition switch to ON position and
measure voltage between terminal "E08-9" and vehicle
body ground.
Is it 10 – 14 V?
3
Pump motor and solenoid valve power supply circuit
1) Turn ignition switch to OFF position.
2) Measure voltage between each terminal of "E08-24",
"E08-25" and vehicle body ground.
Are they 10 – 14 V?
4
Check ESP® hydraulic unit / control module assembly
ground circuit
1) Measure resistance between each terminal of "E08-23",
"E08-26" and vehicle body ground.
Is resistance less than 2
Action
®
in good
?
Electronic Stability Program:
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
ESP® hydraulic unit /
control module
assembly power and
ground circuits are in
good condition.
4F-49
No
Replace fuse and check
for short circuit to
ground.
"GRN/ORN" circuit
open.
"WHT/BLU" and/or
"WHT/RED" circuit
open.
"BLK" circuit open or
high resistance.

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