C1037

DTC C1037

DTC Detecting Condition and Trouble Area






Circuit Diagram










DTC Troubleshooting


1. Was "ESP (R) System Check" performed?
YES
Go to Step 2
NO
Go to ESP System Check ESP (R) System Check.
2. DTC check
Confirm that ignition mode of keyless push start system is in "OFF".
Connect SUZUKI scan tool to DLC.
Push engine switch to change ignition mode of keyless push start system to "ON".
Check DTC.
Is there DTC(s) other than C1037, C1038 and C1057?
YES
Go to applicable DTC troubleshooting.
NO
Go to Step 3.
3. DTC check for BCM
Check DTC for BCM.
Is any of DTC U0073, U0121 or U0126 detected?
YES
Go to applicable DTC troubleshooting.
NO
Go to Step 4.
4. Fuse check
Check "ESP" fuse.
Is it good condition?
YES
Go to Step 5.
NO
Replace fuse and check for short circuit to ground.
5. Steering angle sensor power supply circuit check
Confirm that ignition mode of keyless push start system is in "OFF".
Disconnect steering angle sensor connector.
Disconnect "E09" connector.
Check for proper connection "GRN/ORN" wire.
If connection is OK, push engine switch to change ignition mode to "ON".
Measure voltage between "GRN/ORN" wire and ground.
Is it 10 - 14 V?
YES
Go to Step 6.
NO
"GRN/ORN" wire circuit open.
6. Steering angle sensor ground circuit check
Push engine switch to change ignition mode to "ON".
Measure resistance between "BLK" wire and ground.
Is it less than 2?
YES
Go to Step 7.
NO
"BLK" wire circuit open.
7. Steering angle sensor check
Connect steering angle sensor connector.
Check steering angle sensor. Testing and Inspection
Is it in good condition?
YES
Substitute a known-good ESP (R) control module and recheck DTC. ESP Hydraulic Unit / Control Module Assembly Removal and Installation
NO
Replace steering angle sensor and recheck DTC. Steering Angle Sensor Removal and Installation