How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2010 Lexus GS 460 and 2010 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- Use the following procedure to troubleshoot the audio and visual system.
- *: Use the Techstream.
- VEHICLE BROUGHT TO WORKSHOP
NEXT: Go to next step
- INSPECT BATTERY VOLTAGE
Standard Voltage
11 to 14 V
- If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
NEXT: Go to next step
- BASIC INSPECTION
- Turn the engine switch on (IG).
- Check whether or not the radio receiver assembly turns on.
Result
Result Proceed to Radio receiver assembly turns on. A Radio receiver assembly does not turn on. B B → Go to step 8
A: Go to next step
- CHECK FOR DTC*
- Refer to DTC Check / Clear for the following systems:
- Refer to NAVIGATION SYSTEM (FOR HDD) Refer to DTC CHECK / CLEAR .
- Refer to NAVIGATION SYSTEM (FOR DVD) Refer to DTC CHECK / CLEAR .
- Refer to ELECTRO MULTI VISION SYSTEM Refer to DTC CHECK / CLEAR .
Result
Result Proceed to DTC is output. A DTC is not output. B HINT:
- If the vehicle is not equipped with the navigation system, refer to DTC CHECK / CLEAR for the electro multi vision system.
- After the check using the Techstream, check the "System Check Mode" screen as necessary.
B → Go to step 8
A: Go to next step
- Refer to DTC Check / Clear for the following systems:
- DTC CLEAR*
- Refer to DTC Check / Clear for the following systems:
- Refer to NAVIGATION SYSTEM (FOR HDD) Refer to DTC CHECK / CLEAR .
- Refer to NAVIGATION SYSTEM (FOR DVD) Refer to DTC CHECK / CLEAR .
- Refer to ELECTRO MULTI VISION SYSTEM Refer to DTC CHECK / CLEAR .
HINT:
- If the vehicle is not equipped with the navigation system, refer to DTC CHECK / CLEAR for the electro multi vision system.
- The current DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
NEXT: Go to next step
- Refer to DTC Check / Clear for the following systems:
- RECHECK FOR DTC*
- Refer to DTC CHECK / CLEAR
for the following systems:
- Refer to NAVIGATION SYSTEM (FOR HDD) Refer to DTC CHECK / CLEAR .
- Refer to NAVIGATION SYSTEM (FOR DVD) Refer to DTC CHECK / CLEAR .
- Refer to ELECTRO MULTI VISION SYSTEM Refer to DTC CHECK / CLEAR .
Result
Result Proceed to DTC is output. A DTC is not output. B HINT:
- If the vehicle is not equipped with the navigation system, refer to DTC CHECK / CLEAR for the electro multi vision system.
- Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
- After the check using the techstream, check the "System Check Mode" screen as necessary.
- Check the DTC and inspect the area that the code indicates.
B → Go to step 9
A: Go to next step
- Refer to DTC CHECK / CLEAR
for the following systems:
- DIAGNOSTIC TROUBLE CODE CHART
- Find the output code in Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .NOTE:
- The navigation system or electro multi vision system outputs DTCs for the following systems.
- When DTCs other than the codes in Diagnostic Trouble Code Chart for the audio and visual system are output, refer to DIAGNOSTIC TROUBLE CODE CHART for the relevant system.
- Refer to NAVIGATION SYSTEM (FOR HDD) Refer to DIAGNOSTIC TROUBLE CODE CHART .
- Refer to NAVIGATION SYSTEM (FOR DVD) Refer to DIAGNOSTIC TROUBLE CODE CHART .
- Refer to ELECTRO MULTI VISION SYSTEM . Refer to DIAGNOSTIC TROUBLE CODE CHART .
Result
Result Proceed to Audio and Visual System are output. A Navigation System (for HDD) are output. B Navigation System (for DVD) are output. C Electro Multi Vision System are output. D A → Go to step 10
B → GO TO NAVIGATION SYSTEM (FOR HDD)
C → GO TO NAVIGATION SYSTEM (FOR DVD)
D → GO TO ELECTRO MULTI VISION SYSTEM
- Find the output code in Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .
- PROBLEM SYMPTOMS TABLE
- Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .
Result
Result Proceed to Fault is not listed in Problem Symptoms Table. A Fault is listed in Problem Symptoms Table. B HINT:
If the symptom does not recur and no DTC is output, attempt to reproduce the symptoms. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .
B → Go to step 11
A: Go to next step
- Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .
- PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM
- Refer to Terminals of ECU. Refer to TERMINALS OF ECU .
NEXT: Go to next step
- Refer to Terminals of ECU. Refer to TERMINALS OF ECU .
- CHECK CIRCUIT
- Adjust, repair or replace as necessary.
NEXT: Go to next step
- Adjust, repair or replace as necessary.
- RECHECK FOR DIAGNOSTIC TROUBLE CODE
HINT:
After clearing DTCs, recheck for DTCs.
NEXT: Go to next step
- PERFORM CONFIRMATION TEST
NEXT → END