No Door Locks Operate With Transmitter
(1) Measure resistance at Keyless entry module terminal 10. Meter should read zero ohms. If not, repair open to ground.(2) Measure voltage at Keyless entry module terminal 1. Meter should read battery voltage. Battery voltage must be at least 9 volts for this system to operate. If not, repair open to Dome fuse.
(3) Jumper test leads Keyless entry module terminal 1 to terminal 3. Doors should lock. If OK, replace module. If not, repair open from terminal 3 to Lock relay terminal 5.
(4) Jumper test leads Keyless entry module terminal 1 to terminal 4. Door should unlock. If OK, replace module. If not, repair open from terminal 4 to Unlock relay terminal 5.
If the receiver malfunctions, only the receiver will have to be replaced. The new receiver will have to be reprogrammed. If a transmitter is lost, replace the transmitter and reprogram the receiver.
Batteries may not be supplied with some replacement transmitters. Be sure to check a replacement transmitter before attempting to activate the system.