This instruction shows typical vehicle auto-scan. First vehicle is auto-identified. As identification resulted in multiple possible vehicles (same platform), correct vehicle type is selected manually.
Preparation:
ToCOM For Toyota/Lexus/Scion Diagnostic software Free Download
Procedures:
Click “Auto-scan”
Click “Identify”
Select correct vehicle model, then click “Go”
Start scan and waiting for results
Select “Navigation System” from results of control unit, click “Connect”
Click “Read Fault Code Memory”
There are three fault code memory
U0073 Control Module Communication(Navigation to APGS) Bus OFF
U0129 Brake System Control Module: Lost Communication
U0164 HVAC Control Module: Lost Communication
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