G-Book System - How To Proceed With Troubleshooting

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - G-BOOK


G-BOOK SYSTEM - HOW TO PROCEED WITH TROUBLESHOOTING

  • HINT:
Use the following procedure to troubleshoot the G-BOOK system.
*: Use the GTS.

1.VEHICLE BROUGHT TO WORKSHOP
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2.CHECK PROBLEM SYMPTOM

The G-BOOK system provides a variety of functions. Therefore, it is important to identify whether a malfunction is related to the communication system, including radio wave conditions, or any other systems. Carefully confirm the conditions that caused the malfunction in order to determine if a temporary problem with the radio wave signal condition caused the malfunction.

Displayed Message and Problem SymptomCause
A message is displayed temporarily indicating to try again after moving the vehicle because the center cannot be accessed, as the screen cannot be displayed due to a busy line, etc.This is caused when there is a problem with the radio wave signal conditions or when the base station is busy. This is not a malfunction (inform the customer that this is not a malfunction and ask them to use the system as is).
A message is displayed temporarily indicating to try again after waiting for a while because the information cannot be retrieved due to a busy line, etc.This is caused when there is a problem with the radio wave signal conditions or when the base station is busy. This is not a malfunction (inform the customer that this is not a malfunction and ask them to use the system as is).
A message is displayed temporarily indicating to try again after waiting for a while because the lines are busy.This is caused when there is a problem with the radio wave signal conditions or when the base station is busy. This is not a malfunction (inform the customer that this is not a malfunctions and ask them to use the system as is).
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3.INSPECT BATTERY VOLTAGE

Measure 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.


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4.CHECK CAN COMMUNICATION SYSTEM*

Use the GTS to check if the CAN communication system is functioning normally ().

Result
ResultProceed to
CAN communication system DTC is not output.A
CAN communication system DTC is output.B
B.
GO TO CAN COMMUNICATION SYSTEM ()
A
5.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.
CAN communication system DTC is output.		B
  • HINT:
  • If the symptom does not recur and no DTCs are output, attempt to reproduce the symptoms ().
B.
Go to step 7
A
6.PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

Refer to Terminals of ECU ().

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7.CHECK CIRCUIT

Adjust, repair or replace as necessary.

  • NOTICE:
  • If the multi-media module receiver assembly is replaced, perform the vehicle contract setting ().
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8.PERFORM CONFIRMATION TEST
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END