Diesel Data
: Automotive Repair
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1997
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SC 400 V8-4.0L (1UZ-FE)
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ECU Power Source Circuit
ECU Power Source Circuit
CIRCUIT DESCRIPTION
When the wireless door lock main switch is
ON
, battery positive voltage is applied to terminal + B of the wireless door lock ECU, causing the ECU to operate.
WIRING DIAGRAM
INSPECTION PROCEDURE