Inspection Procedure 2: Current location is not displayed correctly.
| caution |
- Whenever the multivision display is replaced, ensure that the power supply circuit and the earthing circuit are normal. (Check that the voltage is 10 V or more.)
- Whenever the multivision display is replaced, select "Select Model" on the dealer mode screen.
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COMMENTS ON TROUBLE SYMPTOM
If a current location (and vehicle direction) is not displayed correctly, one of the following malfunctions may be present.
- Orientation signal, which is received through the GPS antenna, is abnormal.
- Abnormal vehicle speed signal sent by the combination meter
- Defective gyro sensor (integrated in the multivision display)
PROBABLE CAUSES
- Malfunction of GPS antenna
- The multivision display may be defective.
DIAGNOSIS PROCEDURE
STEP 1. Self-connection check by MMES.
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(1)Display the "Check Connectivity" screen (Refer to  ).
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(2)Check that "GPS" is "Connection."
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(3)Drive the vehicle to check whether "OK" is displayed on "Speed Sensor" item.
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(4)Check that "Gyro Sensor" is "OK."
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Q.
Is the check result normal?
YES 
: Go to Step 4.
NO <"No connection" is displayed on "GPS"> : Go to Step 2.
NO <"---" is displayed on "Speed Sensor"> : Go to Step 3.
NO <"---" is displayed on "Gyro Sensor"> : Replace the multivision display.
STEP 2. Check the GPS antenna.
Check the GPS antenna for damage.
Q.
Is the check result normal?
Go to Step 4.
Replace the GPS antenna.
STEP 3. Check of short to power supply, short to earth, and open circuit in SPD line between multivision display connector and combination meter connector.
Q.
Is the check result normal?
Go to Step 4.
Repair the connector(s) or wiring harness.
STEP 4. Check the signal reception state of the GPS antenna.
Check whether at least four GPS signals are received on the MMES GSP position screen.
How to check
- Display the "Check Connectivity" screen (Refer to ).
- Press "GPS" button to display how the GPS signal are received on the GPS position screen.
- Check whether at least four GPS signals are received.
Q.
Is the check result normal?
Go to Step 5.
Move the vehicle in an open outside area where GPS data can be received from satellites. Then check whether current location is pinpointed. If not, proceed to Step 5.
STEP 5. Reset the MMES and check the trouble symptom.
1.
| caution |
If the MMES is reset, all the data stored by customer will disappear. Therefore, prior to the reset, the agreement of the customer should be obtained.
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Reset the MMES.(Refer to .)
2.Check whether current location is pinpointed.
Q.
Is the check result normal?
The diagnosis is complete.
Replace the multivision display.