LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> Electrical >> Gauges >> Information Center - Instrumentation, Message Center, & Warning Chimes >> DIAGNOSIS and TESTING >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AL: DTC B1318 >> Pinpoint Test Al: DTC B1318

Pinpoint Test Al: DTC B1318

NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .
  1. AL1 RECHECK THE IC DTCs 
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: IC  Self-Test.
    • Clear the DTCs. Repeat the IC  self-test.
    • Is DTC B1318 still present? 
    • Yes  : GO to AL2.
    • No  : The system is operating correctly at this time. The DTC may have been set due to a previous low battery voltage condition.
  2. AL2 CHECK FOR CHARGING SYSTEM DTCs IN THE PCM 
    • Enter the following diagnostic mode on the scan tool: PCM Self-Test.
    • Carry out the PCM Key ON Engine OFF (KOEO) self-test.
    • Retrieve the continuous memory DTCs from the PCM.
    • Is DTC P0620, P0622, P0625, P0626 or P065B set in the PCM? 
  3. AL3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE 
    • Check the battery condition and verify that the battery is fully charged. Refer to BATTERY, MOUNTING AND CABLES .
    • Is the battery OK and fully charged? 
  4. AL4 CHECK THE IC VOLTAGE SUPPLY 
    • Ignition OFF.
    • Measure and record the voltage at the battery.
    • Disconnect: IC  C220.
    • Ignition ON.
    • Measure the voltage between the IC  C220-19, circuit SBP26 (YE/RD), harness side and ground.
      Fig 1: Measuring Voltage Between IC C220-19, Circuit SBP26 (YE/RD) And Ground
      G06065063Courtesy of FORD MOTOR CO.
    • Is the voltage within 0.2 volts of the recorded battery voltage? 
    • Yes  : GO to AL5.
    • No  : REPAIR circuit SBP26 (YE/RD) for high resistance. CLEAR the DTC. REPEAT the self-test.
  5. AL5 CHECK THE IC GROUND CIRCUIT 
    • Ignition OFF.
    • Disconnect: Negative Battery Cable.
    • Measure the resistance between the IC  C220-9, circuit GD114 (BK/BU), harness side and ground; and between the IC  C220-10, circuit GD114 (BK/BU), harness side and ground.
      Fig 2: Checking IC Ground Circuit
      G06067608Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to AL6.
    • No  : REPAIR the circuit in question for high resistance. CLEAR the DTCs. REPEAT the self-test.
  6. AL6 CHECK FOR CORRECT IC OPERATION 
    • Disconnect the IC  connector.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect the IC  connector and make sure it seats correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . 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.
scientia non olet · About LEMON Manuals