Diagnostic Test

CHECK CONNECTION STATUS OF THE RADIO FREQUENCY MODULE
1. Go to Key-OFF status.
2. Disconnect the negative battery lead.
3. Disconnect the Radio Frequency module connector.
4. Check state of connector and that the terminals are not damaged, deformed, corroded or disconnected.
  Is the connector intact?
  
  Yes
  - Go to Step 2.
  No
  - Repair or replace the connector, then move on to Step 6.
CHECK CONNECTION STATUS OF PASSIVE ENTRY NODE
1. Disconnect the Passive Entry Node connector
2. Check state of connector and that the terminals are not damaged, deformed, corroded or disconnected.
  Is the connector intact?
  
  Yes
  - Go to Step 3.
  No
  - Repair or replace the connector, then move on to Step 6.
CHECK FOR THE PRESENCE OF SHORT CIRCUIT TO GROUND ON THE WIRING BETWEEN PASSIVE ENTRY NODE AND THE RADIO FREQUENCY MODULE
1. Check that the Passive Entry Node and Radio Frequency Module connectors are disconnected
2. Check continuity between PIN I of the Radio Frequency Module (wiring side) and body.
  Is short-circuit present?
  
  Yes
  - Repair or replace the wiring because it is subject to a short circuit to ground, then proceed to Step 6.
  No
  - Go to Step 4.
CHECK FOR THE PRESENCE OF OPEN CIRCUIT ON THE WIRING BETWEEN PASSIVE ENTRY NODE AND THE RADIO FREQUENCY MODULE
1. Check that the Passive Entry Node and Radio Frequency Module connectors are disconnected
2. Check for the continuity between PIN F (B connector) of the Passive Entry Node (wiring side) and PIN I of the Radio Frequency Module (wiring side).
  Is short-circuit present?
  
  Yes
  - Go to Step 5.
  No
  - Repair or replace the wiring because it is subject to an open circuit, then proceed to Step 6.
CHECK OPERATION OF THE RADIO FREQUENCY MODULE
1. Check operation of the Radio Frequency module.
  Is the Radio Frequency Module working?
  
  Yes
  - Go to Step 6.
  No
  - Replace the RFH in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL AND INSTALLATION .
  - Go to Step 6.
CHECK THE CORRECT OPERATION OF THE PASSIVE ENTRY NODE
1. Restore the electrical connections.
2. Connect the negative battery lead.
3. With the scan tool, erase DTCs.
4. Check whether the DTC is still present.
  Is the DTC still present?
  
  Yes
  - Repeat the checks from Step 1 .
  - Replace the Passive Entry Node if the DTC occurs again.
  No
  - End of diagnosis.