Inspection Procedure 5: GPS signal can not be received: Diagnosis

STEP 1. Confirmation in MMCS service mode
Perform "COMMUNICATIONS & CONNECTION CHECK " in the MMCS service mode to check that the communication and wire connection with the GPS antenna are OK. (Refer to SERVICE MODE .)

Q: Is the check result normal?
- YES: Go to Step 2.
- NO: Check that the GPS antenna is correctly connected to the multivision display, and go to Step 2.
STEP 2. Check for the vehicle's current position.
Check that the vehicle is parked at the place without the shield.

Q: Is the vehicle parked on the place without the shield?
- YES: Go to Step 3.
- NO: Move the vehicle to the place without the shield.
STEP 3. Confirming GPS signal reception
1. Activate the multivision display.
2. Press the [INFO] button.
3. Select "GPS Information".
4. Wait for 5 minutes, and then check whether GPS signal can be received.
Q: Can GPS signal be received?
- YES: The procedure is complete. (There is no failure)
- NO: Go to Step 4.
STEP 4. Substitute a known good multivision display, and check the trouble symptom.
1. Temporarily replace the multivision display.
2. Activate the multivision display.
3. Press the [INFO] button.
4. Select "GPS Information".
5. Check if the GPS signals are being received after 5 minutes have elapsed.
Q: Is the check result normal?
- YES: Replace the multivision display.
- NO: Replace the GPS antenna.