RAV4 2WD L4-2.5L (2AR-FE) (2009)
Navigation System: Initial Inspection and Diagnostic Overview
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.
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 to ACC.
(b) Check whether or not the display appears on the navigation receiver assembly.
Result
B -- Go to step 6
4. CHECK FOR DTC
(a) Check for DTCs and note any codes that are output.
(b) Clear the DTCs.
(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
conditions 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 See: Description and Operation.
-
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.