FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

B9

B9 CONCLUDE THE ELECTRONIC HYDRAULIC CONTROL UNIT (EHCU) CHECK

- Key "OFF."

- Disconnect the brake master cylinder fluid level sensor.

- Install the EEC IV 60-Pin Breakout Box.

- Measure the resistance between pin 7 of the breakout box and chassis ground.

Is the resistance less than 10,000 ohms?

> Yes
Repair short to ground in circuit 512 (T/LG). B17

> No
Replace the EHCU. B17