B5

B5 CHECK THE RELAY COIL

- KEY "OFF."

- Disconnect the red brake warning indicator relay.

Red Brake Warning Indicator Relay Coil Terminals:

- Check the resistance between the red brake warning indicator relay coil terminals 1 and 2.

Is the resistance between 50 and 70 ohms?

> Yes
Replace the Electronic Hydraulic Control Unit (EHCU). B17

> No
Replace the red brake warning indicator relay. B17