ICC Brake Hold Relay
- Apply 12V direct current between ICC brake hold relay terminals 1 and 2.
- Check continuity between relay terminals 3 and 4, 6 and 7 under the following conditions.CONTINUITY REFERENCE
Condition Between terminals Continuity 12V direct current supply between terminals 1 and 2 3 and 4 Should not exist. 6 and 7 Should exist. No current supply 3 and 4 Should exist. 6 and 7 Should not exist. - If NG, replace ICC brake hold relay.