Inspect Relay Circuit
Disconnect the relay connect and inspect the connector on the wire harness side as shown in the table below. Connect the positive (+) lead from the battery to terminal 4 and the negative (-) lead to terminal 1, and check that the solenoid operates lock direction. If circuit is correct, replace the relay.
CONTROL RELAY CHECK
| Check For | Tester Connection | Condition | Voltage or Continuity |
|---|---|---|---|
| Continuity | 1-Body Ground | Turn door lock sw. to UNLOCK | Continuity |
| " | " | Door lock switch: except UNLOCK | Open |
| Voltage | 2-Body Ground | " | Battery Voltage |
| Voltage | 5-Body Ground | " | Battery Voltage |
| Continuity | 7-Body Ground | Turn door lock switch to LOCK | Continuity |
| " | " | Door lock switch: except LOCK | Open |
| Voltage | 8-Body Ground | Turn ignition switch ON | Battery Voltage |
| " | " | Turn ignition Switch OFF, except LOCK | No Voltage |
| Continuity | 9-Body Ground | Turn LH and/or R/H, door courtesy switch ON | Continuity |
| " | " | Turn LH and/or R/H, door courtesy switch OFF | Open |
| Continuity | 10-Body Ground | " | Continuity |
| Voltage | 12-Body Ground | Push the following switches One by one to Up or Down: Master Switch, Door Switch (Window Lock Switch to unlock) | Continuity |
| " | " | Push the Master sw. to neutral position | Open |
| " | " | Push the door sw. to neutral position or window lock sw. to lock | Open |