Lexus NX: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedures to troubleshoot the clock system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

NEXT

3.

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the power switch off.

Standard voltage:

11 to 14 V

HINT:

If the auxiliary battery voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

NEXT

4.

CHECK NAVIGATION SYSTEM*

(a) Using the Techstream, check if the navigation system is functioning normally.

(1) Check for DTCs and note any codes that are output.

Click here

Body Electrical > Navigation System > Trouble Codes

(2) Clear the DTCs.

Click here

Body Electrical > Navigation System > Clear DTCs

(3) Recheck for DTCs by simulating the operation indicated by the DTCs.

Click here

Body Electrical > Navigation System > Trouble Codes

OK:

DTCs are not output.

NG

GO TO NAVIGATION SYSTEM

OK

5.

PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table.

A

Fault is listed in Problem Symptoms Table.

B

B

PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU

Click here

NEXT

7.

ADJUST, REPAIR OR REPLACE

NEXT

8.

CONFIRMATION TEST

NEXT

END

READ NEXT:

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 Problem Symptoms Table

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 Terminals Of Ecu

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