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Fig. 20: Identifying M4 Door Lock And J3 ECU Connector b. Disconnect the J3 ECU connector. c. Measure the resistance according to the value(s) in the table below. Standard resistance HARNESS AND CONNECTOR (FRONT DOOR LOCK MOTOR RH - MAIN BODY ECU NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: REPLACE MAIN BODY ECU REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT DESCRIPTION The rear door unlock detection switch LH is built into the rear door lock motor LH. The switch turns on when Tester Connection Condition Specified Condition M4-7 (LSSR) - J3-27 (LSWP) Always Below 1 ohms M4-7 (LSSR) - Body ground Always 10 kohms or higher M4-8 (E) - Body ground Always Below 1 ohms
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra
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