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TERMINALS OF ECU 1. CHECK FRONT POWER SEAT SWITCH LH Fig. 8: Identifying Front Power Seat Switch Terminals a. Disconnect the Z9 and Z10 switch connectors. b. Measure the voltage and resistance according to the value(s) in the table below. FRONT POWER SEAT SWITCH LH VOLTAGE AND RESISTANCE SPECIFICATION SYSTEM) Front seat adjuster assembly RH POWER SEAT SWITCH (W/O SEAT POSITION MEMORY SYSTEM) Front power seat lumbar switch FRONT POWER SEAT LUMBAR SWITCH (FOR POWER SEAT) Harness and connector - Power Seat Position is not Front power seat switch LH POWER SEAT SWITCH (W/O SEAT POSITION MEMORY SYSTEM) Seat memory switch SEAT MEMORY SWITCH (W/ SEAT POSITION MEMORY SYSTEM) Outer mirror control ECU TERMINALS OF ECU Harness and connector - Power Seat does not Return to Front power seat switch LH POWER SEAT SWITCH (W/O SEAT POSITION MEMORY SYSTEM) Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition Z9-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 ohms Z9-5 (+B) - Z9-1 (GND) L - W-B Battery (ECU power source) Always 11 to 14 V Z10-8 (SYSB) - Z9-1 Battery (ECU power
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Seat - Tundra
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