Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2010CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISBRAKESANTILOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEMDIAGNOSTIC INFORMATION & PROCEDURESDTC C0035-C0050 (WITH STABILITRAK)CIRCUIT/SYSTEM TESTING
2010 Chevrolet Chevy Express G3500, Van Passenger Extended
Circuit/System Testing
2010 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Circuit/System Testing
- IGNITION OFF, DISCONNECT THE HARNESS CONNECTOR AT THE EBCM.
- IGNITION ON, TEST FOR LESS THAN 1 VOLT BETWEEN THE 12-VOLT REFERENCE CIRCUIT TERMINAL OF THE APPROPRIATE SENSOR LISTED BELOW AND GROUND:
- LF SENSOR CIRCUIT TERMINAL 28
- RF SENSOR CIRCUIT TERMINAL 17
- LR SENSOR CIRCUIT TERMINAL 4
- RR SENSOR CIRCUIT TERMINAL 3
- IF GREATER THAN THE SPECIFIED VALUE, TEST THE 12-VOLT REFERENCE CIRCUIT FOR A SHORT TO VOLTAGE.
- TEST FOR LESS THAN 1 VOLT BETWEEN THE SIGNAL CIRCUIT TERMINAL OF THE APPROPRIATE SENSOR LISTED BELOW AND GROUND:
- LF SENSOR CIRCUIT TERMINAL 29
- RF SENSOR CIRCUIT TERMINAL 6
- LR SENSOR CIRCUIT TERMINAL 5
- RR SENSOR CIRCUIT TERMINAL 2
- IF GREATER THAN THE SPECIFIED VALUE, TEST THE SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE.
- IGNITION OFF, TEST FOR INFINITE RESISTANCE BETWEEN THE 12-VOLT REFERENCE TERMINAL OF THE APPROPRIATE SENSOR LISTED BELOW AND GROUND:
- LF SENSOR CIRCUIT TERMINAL 28
- RF SENSOR CIRCUIT TERMINAL 17
- LR SENSOR CIRCUIT TERMINAL 4
- RR SENSOR CIRCUIT TERMINAL 3
- IF LESS THAN THE SPECIFIED VALUE, TEST THE 12-VOLT REFERENCE CIRCUIT FOR A SHORT TO GROUND.
- TEST FOR INFINITE RESISTANCE BETWEEN THE FOLLOWING SIGNAL CIRCUIT TERMINAL OF THE APPROPRIATE SENSOR LISTED BELOW AND GROUND:
- LF SENSOR CIRCUIT TERMINAL 29
- RF SENSOR CIRCUIT TERMINAL 6
- LR SENSOR CIRCUIT TERMINAL 5
- RR SENSOR CIRCUIT TERMINAL 2
- IF LESS THAN THE SPECIFIED VALUE, TEST THE SIGNAL CIRCUIT FOR A SHORT TO GROUND.
- IGNITION OFF, DISCONNECT THE HARNESS CONNECTOR AT THE APPROPRIATE WSS.
- TEST FOR LESS THAN 2 OHMS BETWEEN THE APPROPRIATE 12-VOLT REFERENCE CIRCUIT TERMINALS LISTED BELOW:
- LF SENSOR CIRCUIT TERMINALS 28 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL A AT THE WSS HARNESS CONNECTOR
- RF SENSOR CIRCUIT TERMINALS 17 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL A AT THE WSS HARNESS CONNECTOR
- LR SENSOR CIRCUIT TERMINALS 4 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL A AT THE WSS HARNESS CONNECTOR
- RR SENSOR CIRCUIT TERMINALS 3 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL A AT THE WSS HARNESS CONNECTOR
- IF GREATER THAN THE SPECIFIED VALUE, TEST THE 12-VOLT REFERENCE CIRCUIT FOR AN OPEN OR HIGH RESISTANCE.
- TEST FOR LESS THAN 2 OHMS BETWEEN THE APPROPRIATE SIGNAL CIRCUIT TERMINALS LISTED BELOW:
- LF SENSOR CIRCUIT TERMINALS 29 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL B AT THE WSS HARNESS CONNECTOR
- RF SENSOR CIRCUIT TERMINALS 6 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL B AT THE WSS HARNESS CONNECTOR
- LR SENSOR CIRCUIT TERMINALS 5 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL B AT THE WSS HARNESS CONNECTOR
- RR SENSOR CIRCUIT TERMINALS 2 AT THE EBCM HARNESS CONNECTOR, AND TERMINAL B AT THE WSS HARNESS CONNECTOR
- IF GREATER THAN THE SPECIFIED VALUE, TEST THE SIGNAL CIRCUIT FOR AN OPEN OR HIGH RESISTANCE.
- IF ALL CIRCUITS TEST NORMAL, REPLACE THE APPROPRIATE WHEEL SPEED SENSOR. IF THE DTC RESETS REPLACE THE EBCM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.