FixVault

No Door Locks Operate Using Transmitter

  1. Measure resistance at Keyless entry module terminal 10. Meter should read 0 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 1.
  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 1.