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.
Pinpoint Test A: No Communication With The Abs Module
A1 CHECK CIRCUIT 15-CF6A (GN/YE) FOR AN OPEN
- Disconnect: ABS Module C135.
- Key in ON position.
- Measure the voltage between the ABS module C135 pin 4, circuit 15-CF6A (GN/YE), harness side and ground.
- Is the voltage greater than 10 volts?
Yes
Go to A2.
No
REPAIR circuit 15-CF6A (GN/YE) or 15-CF6 (GN/YE) as necessary. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
A2 CHECK CIRCUIT 91-CF6 (BK/YE) FOR AN OPEN
- Key in OFF position.
- Measure the resistance between the ABS module C135 pin 16, circuit 91-CF6 (BK/YE), harness side and ground.
- Is the resistance less than 5 ohms?
Yes
INSTALL a new ABS module. REFER to HYDRAULIC CONTROL UNIT (HCU) . REPEAT the self-test. TEST the system for normal operation.
No
REPAIR circuit 91-CF6 (BK/YE) or 91-CF1 (BK/BU) as necessary. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
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.