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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 674 (Engine Controls - Pinpoint Tests - Diesel 6.0L (99P E-Series & 99P F450/550)) >> PINPOINT TEST Z: Keep Alive Power (KAPWR) >> Test Procedure

Test Procedure

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  1. Z1 PRELIMINARY DIAGNOSIS FOR DIAGNOSTIC TROUBLE CODES (DTC)S P0606 AND P1633 
    NOTE: DTC P0606 may be set due to an intermittent engine oil temperature (EOT) sensor connector connection.
    • Key ON, engine OFF.
    • Clear the DTCs.
    • Key in OFF position.
    • Key ON, engine OFF.
    • Carry out the self-test.
    • Are DTCs P0606 or P1633 present? 
    Yes No
    GO to  Z2. UNABLE to duplicate the condition. CHECK for a loose connection, and damaged or corroded terminals. WIGGLE the harness attempting to recreate the concern. REPAIR as necessary. REFER to the SYMPTOM CHARTS article, Symptom Charts, if a driveability concern exists.
  2. Z2 CHECK THE CHARGING SYSTEM 
    • Check the battery and charging system. Refer to appropriate CHARGING SYSTEM article.
    • Is a concern present? 
    Yes No
    REPAIR as necessary. REFER to appropriate CHARGING SYSTEM article. GO to  Z3.
  3. Z3 CHECK THE KAPWR CIRCUIT FOR VOLTAGE 
    • Key in OFF position.
    • PCM connector disconnected.
    • Measure the voltage between:
      ( + ) PCM Connector, Harness Side ( - )
      KAPWR - Pin B40 Ground
    • Is the voltage greater than 10.5 V? 
    Yes No
    CHECK for loose connections and damaged terminals. WIGGLE the harness attempting to recreate the concern. REPAIR as necessary.
    GO to  Z4.    		 REPAIR the open circuit. CLEAR the DTCs. REPEAT the self-test.
  4. Z4 CHECK IF A DTC IS STILL PRESENT 
    • Key ON, engine OFF.
    • Clear the DTCs.
    • Carry out the self-test.
    • Are DTCs P0606 or P1633 present? 
    Yes No
    GO to  Z5. The test is complete.
  5. Z5 CHECK FOR CORRECT PCM OPERATION 
    • Disconnect all the PCM connectors.
    • Visually inspect for:
      • pushed out pins
      • corrosion
    • Connect all the PCM connectors and make sure they seat correctly.
    • Carry out the PCM self-test and verify the concern is still present.
    • Is the concern still present? 
    Yes No
    INSTALL a new PCM. REFER toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) . The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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