Pinpoint Test R: DTC B109E:51
- R1 CHECK FOR THE CORRECT RKE TRANSMITTERS
- Check that the correct IKTs are used with the vehicle.
- Are all the correct IKTs present?
- Yes: GO to R2.
- No: The system cannot be tested without the correct IKTs. INFORM the customer that all the correct IKTs must be present to proceed with diagnosis of the system.
NOTE: Make sure the IKTs are those provided with the OEM system and not from an aftermarket system, or a dealer-installed system that may have been installed on the vehicle. - R2 CHECK FOR COMMUNICATION WITH THE IPC AND SJB
- Enter the following diagnostic mode on the scan tool: Network Test.
- Does the IPC or SJB fail the network test?
- Yes: REFER to MODULE COMMUNICATIONS NETWORK .
- No: GO to R3.
- R3 REPROGRAM THE IKT KEYS
- Erase and program all of the IKT keys using the scan tool method. Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) .
- Erase all IPC DTCs.
- Enter the following diagnostic mode on the scan tool: IPC Self-Test.
- Is DTC B109E:51 retrieved again?
- R4 CHECK THE OPERATION OF THE RKE TRANSMITTER
- Press any button on the suspect IKT key.
- Does the RKE transmitter operate?
- Yes: The system is operating normally. The concern may have been caused by an improperly programmed IKT key.
- No: GO to Pinpoint Test L .
- R5 CHECK FOR CORRECT SJB OPERATION
- Disconnect all the SJB connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the SJB connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- Yes: INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
- No: The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.