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3. CHECK THE TPS POWER SUPPLY CIRCUIT • Turn ignition switch on. • Check throttle position sensor supply voltage between sensor terminal 3 and ground in the sen- • 5.0 V should exist. Is the check result normal? Yes >> Go to the next step. No >> Repair circuit for an open or short to NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Installation in Section 03 Electronic 4. CHECK TPS SIGNAL CIRCUIT FOR AN OPEN OR SHORT • Turn ignition switch off. • Disconnect ECM harness connector. • Check harness continuity between following terminals. TPS TERMINAL ECM TERMINAL 6 54 5 38 • Continuity should exist. • Check harness for a short to power. Is the check result normal? Yes >> Go to step 6. No >> Go to the next step. 5. DETECT MALFUNCTIONING PART • Check harness for an open or a short to ground between TPS connector terminal 2 and ECM connector E-001, terminal 78. Is the check result normal? Yes >> Go to the next step. No >> Repair or replace harness or connectors. DIAGNOSIS & TESTING LTSMD030035 03
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