Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Remote Function Schematics DEFINITION: Keyless Entry Not Detected | |||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |||||||
2 | With a valid key fob, attempt to start the vehicle. Does a message display on the driver information center (DIC) stating, NO FOB DETECTED. | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections | ||||||
3 |
Are you able to enter the vehicle from both doors? | Go to Step 4 | |||||||
4 |
Important: Areas of high radio frequency (RF) traffic may cause an intermittent NO FOB DETECTED message. This is a normal condition. If the vehicle is parked in an area of high RF traffic, move vehicle before continuing with diagnostics. Move the key fob to various places within the vehicle and attempt to start. Was the vehicle activated? | System OK | Go to Step 5 | ||||||
5 |
Did you find any DTCs? | Go to Step 6 | |||||||
6 |
Important: The ignition start button must be pressed to produce the voltage pulse to the passive antenna.
Was the vehicle activated? | Go to Step 8 | Go to Step 7 | ||||||
7 |
Important:
Was an AC voltage signal captured on the DMM? | Go to Step 12 | Go to Step 9 | ||||||
8 |
Important:
With the DMM, measure/capture for an AC voltage signal between the console keyless entry antenna signal circuit and the low reference circuit. Was an AC voltage signal captured on the DMM? | Go to Step 13 | Go to Step 10 | ||||||
9 | Test the headliner keyless entry antenna signal circuit and low reference circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 17 | Go to Step 11 | ||||||
10 | Test the console keyless entry antenna signal circuit and low reference circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 17 | Go to Step 11 | ||||||
11 | Inspect for poor connections at the RCDLR. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 17 | Go to Step 14 | ||||||
12 | Inspect for poor connections at the headliner antenna. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 17 | Go to Step 15 | ||||||
13 | Inspect for poor connections at the console antenna. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 17 | Go to Step 16 | ||||||
14 | Replace the RCDLR. Refer to Control Module References for replacement, setup, and programming. Is the replacement complete? | Go to Step 17 | -- | ||||||
15 | Replace the headliner antenna. Refer to Ignition Lock Key Transmitter Antenna Replacement - Headliner . Is the replacement complete? | Go to Step 17 | -- | ||||||
16 | Replace the console antenna. Refer to Ignition Lock Key Transmitter Antenna Replacement - Floor Console . Is the replacement complete? | Go to Step 17 | -- | ||||||
17 | With a valid key fob, attempt to start the vehicle. Does a message display on the driver information center (DIC) stating, NO FOB DETECTED? | Go to Step 2 | System OK |