Starter Signal Circuit: Tacoma

For starter signal circuit inspection and wiring diagram, see Fig 1-Fig 6 . For circuit identification, see ENGINE PERFORMANCE in appropriate SYSTEM WIRING DIAGRAMS article in ELECTRICAL. Before replacing ECM, check ECM connectors and ground circuits. See ENGINE CONTROL MODULE POWER & GROUND CIRCUITS under COMPUTERIZED ENGINE CONTROLS. To check ignition switch, see appropriate STEERING COLUMN SWITCHES article in ACCESSORIES & EQUIPMENT. To check park/neutral position switch, see PARK/NEUTRAL POSITION SWITCH under ENGINE SENSORS & SWITCHES.

Fig 1: Starter Signal Wiring Diagram (Tacoma)

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Fig 2: Starter Signal Circuit Inspection Using Hand-Held Tester - Steps 1-3 (Tacoma)

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Fig 3: Starter Signal Circuit Inspection Using Hand-Held Tester - Steps 4-5 (Tacoma)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Starter Signal Circuit Inspection Using OBD II Scan Tool - Steps 1-3 (Tacoma)

Fig 5: Starter Signal Circuit Inspection Using OBD II Scan Tool - Steps 4-5 (Tacoma)

Fig 6: Locating Data Link Connector No. 3 (Tacoma)