Dtc 1071: Esp® Control Module Internal Defect - Suzuki Swift Sport 2004 Service & Repair Manual

4F-44 Electronic Stability Program:
DTC Troubleshooting
Step
1 Was "Electronic Stability Program Check" performed?
2 Check power supply circuit from battery
1) Check battery voltage.
Is it about 11 V or higher?
3 Check fuse
1) Check main fuse for solenoid and its terminal.
Is it in good condition?
4 Check solenoid valve power supply circuit
1) Turn ignition switch to OFF position.
2) Disconnect control module connector.
3) Check for proper connection to ESP® control module at
terminal "E85-1".
4) If OK, then measure voltage between connector terminal
"E85-1" and vehicle body ground.
Is it 10 – 14 V?
DTC 1071: ESP® Control Module Internal Defect
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
ESP® control module internal defect is detected.
DTC Troubleshooting
1) Turn ignition switch to OFF position.
2) Check for proper connection from harness to ESP® control module.
3) If OK, substitute an ESP® hydraulic unit / control module assembly with correct part number.
4) Recheck system.
Action Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Substitute a known-
good ESP® hydraulic
unit / control module
assembly and recheck.
Trouble Area
• ESP® control module
No
Go to "Electronic
Stability Program
System Check".
Check charging system
referring to "Battery
Inspection in Section
1J" and "Generator Test
(Undercharged Battery
Check) in Section 1J".
Replace fuse and check
for short circuit to
ground.
"WHT/BLU" circuit
imperfect short to
ground.
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