NST13308-M115-02_A
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2021-06-23
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Page 5
TROUBLESHOOTING - KEYLESS ENTRY
Possible Cause #2: The Wristband Key or Keychain Key is Damaged or Defective
Actions ToTake:
• If the door unlocks using the switch but will not unlock with the Wristband Key or the Keychain Key, remove power to the
Antenna/Reader.
• Present the Wristband Key or Keychain Key.
- If is is not detected at the third Mod QC test, the Wristband Key or Keychain Key is defective.
• Replace the Wristband Key or Keychain Key and enroll the new Wristband Key or Keychain Key into the Truck using the Master
Key.
Actions ToTake:
• Unplug the reader from the wire harness and then reconnect it.
• Observe the QC test.
- Location code flashes twice.
- Data Bus operation is tested. If the data bus is present, the Red LED flicker flashes for 10-seconds (if the antenna is at the
Master Node, the flicker flash is a short burst).
- Input check - Both LEDs turn ON solid for 15-seconds to check the reader RFID circuit.
• Swipe a known “good” Wristband Key or Keychain Key that operates the other antennas.
- If the key is not detected, both LEDS remain ON indicating the RFID circuit is failed.
Possible Cause #3: The Reader RFID Circuit Has Failed
1. What to do if the door does NOT unlock when the antenna is swiped with the
Wristband Key or Keychain Key:
Items referred to in Troubleshooting Instructions:
Transfer Card
Switch
Wristband Key
Antenna (Remote)
Reader
Possible Cause #1: Wristband Key or Keychain Key is NOT Enrolled Correctly
*Note: Door DOES Unlock When Unlock Switch is Pressed
Antenna
Wristband Key
Keychain Key
Actions To Take:
• Swipe the antenna with the Wristband Key or Keychain Key. Does the Red LED on the antenna flash twice?
- If YES, the key is enrolled correctly.
- If NO, press the unlock switch to verify the reader and solenoid are operating correctly.
- The Red LED should flash once when the unlock switch is pressed and the door should unlock.
