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Pinpoint Test 3: No Power In Start/On

NO POWER IN START/ON - PINPOINT TEST REFERENCE

PINPOINT TEST 3 NO POWER IN START/ON
STEP INSPECTION ACTION
1 CHECK CIRCUIT (LG/V) FOR AN OPEN OR SHORT TO GROUND
  • Key OFF.
  • Disconnect the SJB J-2280a.
  • Disconnect the Ignition Switch C-250.
  • Measure the resistance between the ignition switch C-250 pin 1 circuit (LG/V), harness side and the SJB J-2280a pin 7 circuit (LG/V), harness side; and between the ignition switch C-250 pin 1 circuit (LG/V), harness side and ground.
  • Is the resistance less than 5 ohms between the components, and greater than 10,000 ohms to ground? 
Yes Go to next step.
No REPAIR circuit (LG/V) for an open or a short to ground. CLEAR the DTCs. REPEAT the self-test.
2 CHECK THE IGNITION SWITCH
Yes Go to next step.
No INSTALL a new ignition switch. See IGNITION SWITCH . CLEAR the DTCs. REPEAT the self-test.
3 CHECK FOR CORRECT SJB OPERATION
  • Disconnect all the SJB connectors.
  • Check for:
    • corrosion
    • 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. See SMART JUNCTION BOX (SJB) .
No The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.