Pinpoint Test P: DTC B1137

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

P1 CHECK FOR THE CORRECT IKTs
- Check that the correct IKTs are used with the vehicle. Compare the IKTs with one shown in HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS in the Description and Operation.
- Are all the correct IKTs present?
- Yes: GO to P2 .
- 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.
P2 CHECK FOR COMMUNICATION WITH THE IC AND SJB
- Enter the following diagnostic mode on the scan tool: Network Test.
- Does the IC or SJB fail the network test?
- Yes: REFER to INSPECTION AND VERIFICATION .
- No: GO to P3 .
P3 REPROGRAM THE IKTs
- Erase and program all of the IKTs using the scan tool method. Refer to INTEGRATED KEYHEAD TRANSMITTER (IKT) KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT .
- Erase all IC DTCs.
- Enter the following diagnostic mode on the scan tool: IC Self-Test.
- Is DTC B1137 retrieved again?
- Yes: GO to P5.
- No: GO to P4 .
P4 CHECK THE OPERATION OF THE IKT
- Press any button on the suspect IKT .
- Does the IKT operate?
- Yes: The system is operating normally. The concern may have been caused by an improperly programmed IKT .
- No: GO to PINPOINT TEST J .
P5 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 SMART JUNCTION BOX (SJB) . 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.