FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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E3 Check Motor Relay Operation







CAUTION: While performing this test step, do not allow motor to operate for more than two seconds.

- Key OFF.

- Locate and disconnect the anti-lock brake control module.

- Key ON.

- Connect the "BK/BL" wire to ground at the anti-lock brake control module harness connector.

- Connect the "BL" wire to ground at the anti-lock brake control module harness connector for no more than two seconds.

- Does the motor relay click and the motor operate when wires are grounded?

YES -- Go to E8. E8 Check Resistance at Anti-Lock Brake Control Module

NO -- (Motor relay clicks but motor does not operate). Go to E5. E5 Check Motor Resistance

NO -- (Motor relay does not click and motor does not operate). Go to E4. E4 Check ABS Relay