TL FWD V6-3.5L (2009)
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Crankshaft position (CKP) sensor 3P connector
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MAF/IAT sensor 5P connector
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Electronic throttle control system (ETCS) control relay
Does continuity go away when one of the above parts or connectors is disconnected?
YES - Replace the part that made the short to body ground go away when disconnected. If the part is the PCM, update the PCM if it does not
have the latest software, See: Testing and Inspection/Programming and Relearning/PCM Update or substitute a known-good PCM, See:
Testing and Inspection/Initial Inspection and Diagnostic Overview then recheck. If the symptom/indication goes away with a known-good
PCM, replace the original PCM. See: Engine Control Module/Service and Repair/PCM Replacement Also replace the No. 17 FI MAIN (15
A) fuse.
NO - Go to step 46.
46. Disconnect these parts or connectors:
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PGM-FI main relay 2
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PCM connector B (49P)
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Injectors
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Camshaft position (CMP) sensor
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MAF/IAT sensor 5P connector
-
Crankshaft position (CKP) sensor
-
Electronic throttle control system (ETCS) control relay
47. Check for continuity between PGM-FI main relay 1 4P connector terminal No. 2 and body ground.
Is there continuity?
YES - Repair short in the wire between PGM-FI main relay 1 and each part. Also replace the No. 17 FI MAIN (15 A) fuse.
NO - Replace PGM-FI main relay 1. Also replace the No. 17 FI MAIN (15 A) fuse.
48. Inspect the No. 9 FUEL PUMP (20 A) fuse in the driver's under-dash fuse/relay box.
