Inspection Procedure 7: GPS Signal can not be Received.

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.)

COMMENTS ON TROUBLE SYMPTOM

PROBABLE CAUSES

Malfunctions of GPS antenna
Malfunctions of multivision display

DIAGNOSIS PROCEDURE

STEP 1. Confirmation in MMCS service mode

Q. Is the check result normal?

STEP 2. Check for the vehicle’s current position.

Q. Is the vehicle parked on a well-ventilated place?

STEP 3. Confirming GPS signal reception

(1)Start the multivision display.

(2)Press the [INFO] button.

(3)Select [Vehicle Position].

(4)Wait for 5 minutes, and then check whether GPS signal can be received.

Q. Can GPS signal be received?

STEP 4. Substitute a known good multivision display, and check the trouble symptom.

(1)Temporarily replace the multivision display.

(2)Start the multivision display.

(3)Press the [INFO] button.

(4)Select [Vehicle Position].

(5)Check if the GPS signals are being received after 5 minutes have elapsed.