How to Proceed With Troubleshooting
NAVIGATION: NAVIGATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the navigation system.
- *: Use 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. BASIC INSPECTION
(a) Turn the power switch ON (ACC).
(b) Check whether or not the display appears on the multi-display.
Result
B -- Go to step 7
A -- Continue to next step.
4. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Use Techstream to check if the Multiplex Communication System (MPX) is functioning normally.
Result
B -- Go to MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.
5. CHECK FOR DTC
(a) Check for DTCs and note any codes that are output.
(b) Delete for DTC.
(c) Recheck for DTCs. Based on the DTC output in the first step, try to force output of the audio system DTC by simulating the operation indicated by the DTC.
HINT:
- If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal and repair or replace problem parts.
- Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores past DTCs.
- Refer to the detailed description on the diagnostic screen, as necessary Diagnosis Display Detailed Description.
- Check and clear past diagnostic trouble codes. Check the diagnostic trouble code and inspect the area the code indicates.
Result
B -- Go to step 8
A -- Continue to next step.
6. PROBLEM SYMPTOMS TABLE
Result
B -- Go to step 8
A -- Continue to next step.
7. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Terminals of ECU Pinout Values and Diagnostic Parameters
(b) Inspect the front No. 1 speaker Front Door Speaker
(c) Inspect the steering pad switch Testing and Inspection
NEXT -- Continue to next step.
8. ADJUST, REPAIR OR REPLACE
NEXT -- END