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4. CHECK IMMOBILIZER CONTROL MODULE POWER SUPPLY • Turn ignition switch on. • Check if voltage is present on the Immobilizer control module connector C-025, pin 4,1 and ground. IMMOBILIZER CONTROL MODULE TERMINAL GROUND 1 Ground 4 Is 12 V present? Yes >> Replace and program the Immobilizer control module. Refer to DTC B3077 Diagnostic Procedure. No >> For DTC B3050, go to the next step. 5. CHECK IMMOBILIZER CONTROL MODULE POWER SUPPLY CIRCUIT • Turn ignition switch off. • Disconnect the negative battery cable. • Disconnect the body fuse and relay box electrical connector A. • Check harness continuity between the following terminals: • Continuity should exist. BODY FUSE AND RELAY BOX TERMINAL IMMOBILIZER CONTROL MODULE TERMINAL CONTINUITY A2 1 Yes DIAGNOSIS & TESTING 15
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