Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - NAVIGATION / MULTI INFO DISPLAY


NAVIGATION SYSTEM - HOW TO PROCEED WITH TROUBLESHOOTING

  • HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP
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2.CUSTOMER PROBLEM ANALYSIS
When troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
Gather as much information as possible for reference.
Past problems that seem unrelated may also help in some cases.
The following 5 items are important points in problem analysis:
WhatVehicle model, system name
WhenDate, time, occurrence frequency
WhereRoad conditions
Under what conditions?Driving conditions, weather conditions
How did it happen?Problem symptoms
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3.INSPECT BATTERY VOLTAGE

Measure the battery voltage with the engine switch off.

  • Standard voltage:
  • 11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
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4.CHECK CABIN

Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.

  • OK:
  • Condensation is not likely being produced and the temperature is not high or extremely low.
  • HINT:
A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may cause a short circuit.
The navigation system may not operate normally when the temperature is -20°C (-4°F) or less, or 65°C (149°F) or higher.
NG.
SET CABIN TO APPROPRIATE TEMPERATURE
OK
5.CHECK NAVIGATION SYSTEM NORMAL CONDITION

Refer to Check System Normal Condition ().

Result
ResultProceed to
Symptom is not normal operation.A
Symptom is normal operation.B
B.
SYMPTOM IS NORMAL OPERATION
A
6.CHECK CAN COMMUNICATION SYSTEM*

Check for DTC output.

for LHD:
for RHD:
Result
ResultProceed to
CAN DTCs are not output.A
CAN DTCs are output (for LHD).B
CAN DTCs are output (for RHD).C
B.
GO TO CAN COMMUNICATION SYSTEM ()
C.
GO TO CAN COMMUNICATION SYSTEM ()
A
7.CHECK FOR DTC*

Refer to DTC Check/Clear ().

Result
ResultProceed to
DTCs are output.A
DTCs are not output.
(The multi-display displays content.)
B
DTCs are not output.
(The multi-display does not display anything.)
C
  • HINT:
  • If more information is needed, perform a check using the "System Check Mode" screen after checking for DTCs using the intelligent tester.
B.
Go to step 11
C.
Go to step 12
A
8.CLEAR DTC*

Refer to DTC Check/Clear ().

  • HINT:
  • The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
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9.RECHECK FOR DTC*

Refer to DTC Check/Clear ().

Result
ResultProceed to
DTCs are output.A
DTCs are not output.B
  • 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 intelligent tester.
Check the DTCs and inspect the area that the code indicates.
B.
Go to step 11
A
10.DIAGNOSTIC TROUBLE CODE CHART

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

  • 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 relevant system.
Refer to Audio and Visual System (w/ Navigation System) ()
Refer to Rear Seat Entertainment System ()
Result
ResultProceed to
DTCs for the navigation system are output.A
DTCs for the audio and visual system (w/ Navigation System) are output.B
DTCs for the rear seat entertainment system..C
A.
Go to step 14
B.
GO TO AUDIO AND VISUAL SYSTEM (w/ Navigation System) ()
C.
GO TO REAR SEAT ENTERTAINMENT SYSTEM ()
11.CHECK HARD DISC

Enter the "Failure Diagnosis" screen. Refer to Check Hard Disc in Operation Check ().

  • OK:
  • "OK" is displayed.
NG.
REPLACE HARD DISC ()
OK
12.PROBLEM SYMPTOMS TABLE

Refer to Problem Symptoms Table ().

Result
ResultProceed 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 DTCs are output, attempt to reproduce the symptoms ().
B.
ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
A
13.PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

Refer to Terminals of ECU ().

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14.CHECK CIRCUIT

Adjust, repair or replace as necessary.

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15.RECHECK FOR DIAGNOSTIC TROUBLE CODE*
  • HINT:
  • After clearing DTCs, recheck for DTCs ().
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16.PERFORM CONFIRMATION TEST
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END