Unlock Relay Functional Tests
NOTE:
Test for right and left unlock relays are the same except for wire color codes.
- Place selector in "PARK" and lock all doors from switch in armrest. Connect test light between ground and Yellow wire terminal (right), Lt. Green wire terminal (left) at relay. If door does not unlock, proceed to step 2) . If door unlocks, check for open in wire between relay terminal just tested and module.
- Probe Orange wire terminal at relay. If light comes on, proceed to step 3) . If light failed to come on, check for an open in Orange wire between relay and source.
- Probe Orange-Black wire at relay. If light comes on, proceed to step 4) . If light remains off, check Orange-Black wire between relay and source for open condition.
- Actuate door remote handle while probing Dk. Blue wire (right), Purple wire (left) at relay. If light comes on momentarily, proceed to step 5) . If light fails to come on, replace door unlock relay.
- Lock all doors. Unlock doors using armrest switch while probing Black wire terminal. If light comes on momentarily, proceed to step 6) . If light failed to come on, check for open condition in Black wire between relay and lock switch(es) in armrest.
- Lock all doors. Unlock doors using armrest switch while probing Dk. Blue wire (right), Purple wire (left) terminal. If light remains off, replace door unlock relay. If light comes on and door unlocks, unlock relay is good. If test light comes on but door does not unlock, check for an open circuit in Dk. Blue wire (right), Purple wire (left), between relay and front door lock solenoid.