Data Link Connector Location for TL AWD V6-37L (2010) Powertrain Control
Is there continuity?
YES -
Test PGM-FI main relay 1 See: Power and Ground Distribution/Testing and Inspection. If the relay is OK, update the ECM/PCM if it does not have the
latest software See: Testing and Inspection/Programming and Relearning/ECM/PCM Update, or substitute a known-good ECM/PCM See: Testing and
Inspection/Initial Inspection and Diagnostic Overview, then recheck. If the symptom/indication goes away and the ECM/PCM was updated,
troubleshooting is complete. If the symptom/indication goes away and the ECM/PCM was substituted, replace the original ECM/PCM See: Engine
Control Module/Service and Repair.
NO -
Repair open in the wire between the ECM/PCM (A6) and PGM-FI main relay 1.
71. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
72. Remove PGM-FI main relay 1 (A) from the under-hood fuse/relay box.
73. Measure the voltage between PGM-FI main relay 1 4P connector terminal No. 1 and body ground.