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.
Ca-4 Abs Output Check
Disconnect only Black wire from hydraulic unit. Start engine. Set voltmeter to 20V scale. Measure voltage between ABS control unit Blue/Orange wire and ground when the following ABS control unit terminals are grounded with jumper wire.
| Terminal No. | Volts |
|---|---|
| 2K (Blue/Black wire) & 2I (Green/Red wire) | Greater than 10 |
| 2I (Green/Red wire) Only | Less than 2 |
| 2K (Blue/Black wire) Only | Greater than 10 |
| Neither terminal | Greater than 10 |
If output is correct, go to CA-5 PUMP OPERATION CHECK . If output is not correct, replace ABS control unit.
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.