How To Proceed With Troubleshooting

CELLULAR COMMUNICATION: LEXUS LINK SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
- Use these procedures to troubleshoot the LEXUS Link system.
- *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
3. CHECK FOR DTC
(a) Check for current DTCs Reading and Clearing Diagnostic Trouble Codes.
HINT:
For the blinking pattern, refer to the Diagnosis System Diagnosis System and DTC Check / Clear Reading and Clearing Diagnostic Trouble Codes.

Result





HINT:
*: If blinking pattern 5-1 is output, check for DTCs using the Techstream.

A -- Go to DIAGNOSTIC TROUBLE CODE CHART
B -- END
C -- Continue to next step.
4. CHECK FOR DTC
(a) Check for historic DTCs Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.
5. DIAGNOSTIC TROUBLE CODE CHART
HINT:
Even if the malfunction that caused the DTC output during the historic DTC check is fixed, the FAST2 blinking pattern of the current DTC will remain.

NEXT -- Continue to next step.
6. CLEAR HISTORIC DTC
(a) Clear historic DTCs Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.
7. CONFIRMATION TEST
(a) Check for current DTCs and confirm that the FAST1 blinking pattern occurs.
NEXT -- END