Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS1997ES 300 V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSDIAGNOSTIC TESTER - COMMUNICATION ERROR W/TIS
1997 Lexus ES 300 V6-3.0L (1MZ-FE)
Diagnostic Tester - Communication Error w/TIS
1997 Lexus ES 300 V6-3.0L (1MZ-FE)SECTION Diagnostic Tester - Communication Error w/TIS
SPECIAL SERVICE TOOLS
SS003-00
December 8, 2000
Title:
DIAGNOSTIC TESTER COMMUNICATION ERROR WITH T.I.S.
Models:
All Models
Introduction
Certain Diagnostic Testers (SST P/N 02002019) may experience a communication error with the Technical Information System (T.I.S.). To correct this condition, the tester manufacturer, Vetronix Corporation, will recall and update affected units. The following explains how to determine which Diagnostic Testers may exhibit this problem and outlines the procedure to return the tester for repair.
Applicable Diagnostic Testers

Diagnostic Testers within the serial number range shown are known to experience these communication errors.
Repair Procedure

1. Determine the Diagnostic Tester serial number located on the back of the tester (see Figure 1).
2. If the serial number is within the range listed above, call Vetronix Toyota Customer Service at 1-800-321-4889, ext. 3123, to obtain a pre-paid shipping package for the Diagnostic Tester.
3. The shipping package will arrive within 2 business days. Secure the tester in the provided package following the enclosed shipping instructions. Diagnostic Testers are guaranteed to be returned within 3 business days from receipt at Vetronix (except over holidays).
NOTE:
This update will be free of charge.
Diagnostic Testers outside of the serial number range above are not affected and do not need this repair. If a Diagnostic Tester outside this range experiences a similar problem, please call Dealer Daily Support at 1-877-DL-DAILY or Vetronix Toyota Customer Service at 1-800-321-4889, ext. 3123.

Warranty Information
SS003-00
December 8, 2000
Title:
DIAGNOSTIC TESTER COMMUNICATION ERROR WITH T.I.S.
Models:
All Models
Introduction
Certain Diagnostic Testers (SST P/N 02002019) may experience a communication error with the Technical Information System (T.I.S.). To correct this condition, the tester manufacturer, Vetronix Corporation, will recall and update affected units. The following explains how to determine which Diagnostic Testers may exhibit this problem and outlines the procedure to return the tester for repair.
Applicable Diagnostic Testers
Diagnostic Testers within the serial number range shown are known to experience these communication errors.
Repair Procedure
1. Determine the Diagnostic Tester serial number located on the back of the tester (see Figure 1).
2. If the serial number is within the range listed above, call Vetronix Toyota Customer Service at 1-800-321-4889, ext. 3123, to obtain a pre-paid shipping package for the Diagnostic Tester.
3. The shipping package will arrive within 2 business days. Secure the tester in the provided package following the enclosed shipping instructions. Diagnostic Testers are guaranteed to be returned within 3 business days from receipt at Vetronix (except over holidays).
NOTE:
This update will be free of charge.
Diagnostic Testers outside of the serial number range above are not affected and do not need this repair. If a Diagnostic Tester outside this range experiences a similar problem, please call Dealer Daily Support at 1-877-DL-DAILY or Vetronix Toyota Customer Service at 1-800-321-4889, ext. 3123.
Warranty Information
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.