Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM10000000161MT |
Model Year Start: 2018 |
Model: Camry HV |
Prod Date Range: [07/2017 -
] |
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2018 - 2024 MY Camry HV [07/2017 - ] |
HOW TO PROCEED WITH TROUBLESHOOTING
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CAUTION / NOTICE / HINT
HINT:
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Use the following procedure to troubleshoot the navigation system.
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*: Use the Techstream.
PROCEDURE
1.
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VEHICLE BROUGHT TO WORKSHOP
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NEXT
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2.
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CUSTOMER PROBLEM ANALYSIS
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When troubleshooting, check 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.
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Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
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The following 5 items are important points for problem analysis:
What
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Vehicle model, system name
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When
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Date, time, occurrence frequency
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Where
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Road conditions
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Under what conditions?
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Driving conditions, weather conditions
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How did it happen?
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Problem symptoms
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NEXT
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3.
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INSPECT AUXILIARY BATTERY
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(a) Measure the auxiliary battery voltage.
Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
NEXT
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(a) 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:
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A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may cause a short circuit.
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The navigation system may not operate normally when the temperature is -20°C (-4°F) or lower, or 65°C (149°F) or higher.
NG |
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SET CABIN TO APPROPRIATE TEMPERATURE
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OK
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5.
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CHECK NAVIGATION SYSTEM NORMAL CONDITION
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(a) Refer to Check System Normal Condition.
Click here
Result
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Proceed to
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Symptom is not normal operation.
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A
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Symptom is normal operation.
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B
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B |
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SYMPTOM IS NORMAL OPERATION
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A
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6.
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CHECK CAN COMMUNICATION SYSTEM*
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(a) Check if CAN communication system DTCs are output.
Click here
Result
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Proceed to
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CAN DTCs are not output.
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A
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CAN DTCs are output.
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B
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A
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(a) Check for DTCs.
Body Electrical > Navigation System > Trouble Codes
Result
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Proceed to
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DTCs are output.
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A
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DTCs are not output.
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B
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A
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(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
HINT:
The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
NEXT
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(a) Recheck for DTCs.
Body Electrical > Navigation System > Trouble Codes
Result
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Proceed to
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DTCs are output.
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A
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DTCs are not output.
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B
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HINT:
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Even if the problem symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
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If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the Techstream.
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Check for DTCs and inspect the area that the code indicates.
A
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10.
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DIAGNOSTIC TROUBLE CODE CHART
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(a) Find the output DTC in Diagnostic Trouble Code Chart.
Click here
11.
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PROBLEM SYMPTOMS TABLE
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(a) Refer to Problem Symptoms Table.
Click here
Result
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Proceed to
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Fault is not listed in Problem Symptoms Table.
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A
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Fault is listed in Problem Symptoms Table.
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B
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HINT:
If the symptoms do not recur and no DTCs are output, attempt to reproduce the symptoms.
Click here
A
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12.
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PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM
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(a) Refer to Terminals of ECU.
Click here
NEXT
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(a) Adjust, repair or replace as necessary.
NEXT
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(a) After clearing DTCs, recheck for DTCs.
Body Electrical > Navigation System > Clear DTCs
Body Electrical > Navigation System > Trouble Codes
NEXT
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15.
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PERFORM CONFIRMATION TEST
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NEXT |
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END
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