Initial Inspection and Diagnostic Overview

AUDIO / VISUAL: REAR SEAT ENTERTAINMENT SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT: Use these procedures to troubleshoot the rear seat entertainment system.

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 ignition switch ACC.
(b) Check whether or not the display appears on the navigation receiver.

Result





B -- Go to step 6
A -- Continue to next step.
4. CHECK FOR DTC
(a) Check for DTCs and note any codes that are output Navigation System (for CrewMax).
(b) Clear for DTC.
(c) Recheck for DTCs. Based on the DTC output in the first step, try to force output of the navigation 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 7
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Terminals of ECU Pinout Values and Diagnostic Parameters.
NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- END