DESCRIPTION When a signal is input into the position control ECU and switch assembly, the ECU manages the signals received from the power seat switches, and operates each motors. If the position control ECU and switch assembly receives more than 2 motors operation signals, the motor is stopped. Manual operation is restarted after the position control ECU and switch assembly receives 1 signal only. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE
(a) Check that each function of the power seat operates normally by using the
power seat switches (See page
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Terminals Of Ecu
TERMINALS OF ECU CHECK TRANSPONDER KEY ECU ASSEMBLY (a) Disconnect the J26 transponder key ECU assembly connector. (b) Measure the resistance and voltage according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected. Tester Connection ...