How to Proceed With Troubleshooting

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedure to troubleshoot the navigation system (for DVD).
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

(a) Inspect the 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 -- Continue to next step.

3. DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION

(a) Ask the customer about symptoms and confirm malfunctions.

Result





B -- Go to step 10, AND PROCEED TO "BLACK SCREEN"
A -- Continue to next step.

4. OPERATION CHECK

(a) Refer to Check System Normal Condition Operation Check.

Result





B -- SYMPTOM IS NORMAL OPERATION
A -- Continue to next step.

5. CHECK CAN COMMUNICATION SYSTEM*

(a) Check for DTC output Diagnosis System.

Result





B -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System
A -- Continue to next step.

6. CHECK FOR DTC*

(a) Refer to DTC Check/Clear Reading and Clearing Diagnostic Trouble Codes.

Result





HINT
If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the Techstream Description and Operation.

B -- Go to step 10
A -- Continue to next step.

7. DTC CLEAR*

(a) Refer to the DTC Check/Clear Reading and Clearing Diagnostic Trouble Codes.

HINT
The current DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.

NEXT -- Continue to next step.

8. RECHECK FOR DTC*

Result





HINT
* Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
* If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the Techstream Description and Operation.
* Check the DTC and inspect the area code indicates.

B -- Go to step 10
A -- Continue to next step.

9. DIAGNOSTIC TROUBLE CODE CHART

(a) Find the output code in Diagnostic Trouble Code Chart Navigation System.

NOTICE:
* The navigation system outputs DTCs for the following system.
* When DTCs other than those in Diagnostic Trouble Code Chart for the navigation system are output, refer to Diagnostic Trouble Code Chart for the system.
* Audio and visual system (w/ navigation system) Audio and Visual System (w/ Navigation System)
* Rear seat entertainment system (w/ rear seat entertainment system) Rear Seat Entertainment System

Result





A -- Go to step 12

B -- GO TO AUDIO AND VISUAL SYSTEM (w/ Navigation System) Audio and Visual System (w/ Navigation System)

C -- GO TO REAR SEAT ENTERTAINMENT SYSTEM Rear Seat Entertainment System

10. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.

Result





HINT
If the symptom does not recur and no DTC is output, perform the symptom reproduction method How To Proceed With Troubleshooting.

B -- Go to step 12
A -- Continue to next step.

11. CHECK ECU TERMINAL ARRANGEMENT BASED ON MALFUNCTION SYMPTOM

(a) Refer to Terminals of ECU Pinout Values and Diagnostic Parameters.

NEXT -- Continue to next step.

12. CHECK CIRCUIT

(a) Adjust, repair or replace as necessary.

NEXT -- Continue to next step.

13. RECHECK FOR DIAGNOSTIC TROUBLE CODE

HINT
After clearing the DTCs, recheck for DTCs.

NEXT -- Continue to next step.

14. PERFORM CONFIRMATION TEST

NEXT -- END