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.
Code A035: Pump Motor Runs Too Long
The accumulator switch motor control will close when pressure drops below 2200 psi (155 kg/cm2 ). The pump motor relay coil then grounds, causing voltage to be applied to pump motor and pump on input. When pump motor is on, Pump-On Input will receive voltage. To set Code A035, the anti-lock brake controller must sense voltage at terminal 1C12 for more than 3 minutes.
- If Code A031 is also set, inspect for defect in pump motor circuit.
- If pump is running constantly, fault is electrical. If pump is running longer than normal, fault is hydraulic.
- If pump motor remains off, a defective accumulator or hydraulic failure is indicated.
- Isolates short to ground in circuit No. 973.
- Isolates pump motor circuit from anti-lock brake controller and circuit No. 975 to detect short to battery.
- Determines if short to ground exists in circuit No. 963, or if pump motor relay is defective.
NO RELATED
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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.