Operation CHARM
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1991
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LS 400 V8-4.0L (1UZ-FE)
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ECU Power Source Circuit
ECU Power Source Circuit
ECU POWER SOURCE CIRCUIT
CIRCUIT DESCRIPTION
This circuit provides power to operate the theft deterrent ECU.
DIAGNOSTIC CHART
WIRING DIAGRAM
WIRING ROUTING
Step 1:
Step 2:
Step 3:
INSPECTION PROCEDURES