Power Distribution Relay: Testing and Inspection

ICM (INTEGRATED CIRCUIT MODULE)

RELAY TEST

DOOR LOCK RELAY
Check for continuity between the terminals.

1. There should be continuity between the No.17 and No.19 terminals when power and ground are connected to the No.17 and No.20 in the M37-1 terminals.
2. There should be no continuity between the No.17 and No.19 terminals when power is disconnected.

DOOR UNLOCK RELAY
Check for continuity between the terminals.

1. There should be continuity between the No.17 and No.18 terminals when power and ground are connected to the No.17 and No.5 in the M37-1 terminal.
2. There should be no continuity between the No.7 and No. 18 terminals when power is disconnected.

BURGLAR ALARM
1. There should be continuity between the No.7 and No.9 terminals when power and ground are connected to the No.7 and No.8 in the M37-2 terminals.
2. There should be no continuity between the No.7 and No.9 terminals when power is disconnected.

BURGLAR ALARM HORN
1. There should be continuity between the No.6 and No.5 terminals when power and ground are connected to the No.6 and No.1 in the M37-2 terminals.
2. There should be no continuity between the No.6 and No.5 terminals when power is disconnected.