FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Home >> Lexus >> 1999 >> GS 300 L6-3.0L (2JZ-GE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Diagnostic Strategies >> Pre-Check

Pre-Check

Precheck Diagnosis Procedure

1. Check for DTC's
Reading Diagnostic Trouble Codes

2. Clear DTC's


3. Preform Actuator Check
Actuator Check

4. Measure ECU Terminal Values
Pinout Values and Diagnostic Parameters
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