PARKING ASSIST MONITOR SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

VEHICLE BROUGHT TO WORKSHOP

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CUSTOMER PROBLEM ANALYSIS

1. Ask the customer about the problems and the conditions at the time the malfunction occurred to make sure the problem symptom was not temporarily caused by radio waves in the surrounding environment.

   Tech Tips

   The parking assist monitor display may be temporarily distorted due to radio waves around the vehicle.

   Problem Symptom	Cause
   Both of the following conditions are met The problem symptom indicates a parking assist monitor display malfunction and the problem symptom cannot be reproduced. DTC C1622 is output as "Hist" only.*	The display may be temporarily distorted when the vehicle is close to an object that transmits radio waves, such as a telecommunication tower, an airport or a truck equipped with a transceiver.

   *: DTCs output as "Hist" will not be output again after DTCs are cleared.

   
   

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INSPECT BATTERY VOLTAGE

1. Measure the battery voltage.

   Standard Voltage
   11 to 14 V

   If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

   
   

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CHECK NAVIGATION SYSTEM (for Radio and Display Type)

1. Refer to Navigation System (for Radio and Display Type) Click here.

   Result
   Result Proceed to Navigation System (for Radio and Display Type) is normal A Navigation System (for Radio and Display Type) is abnormal B

   
   

   B

   GO TO NAVIGATION SYSTEM (for Radio and Display Type) Click here

   A

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

1. Use the GTS to check if the CAN communication system is functioning normally Click here.

   Result
   Result Proceed to CAN communication system DTCs are not output A CAN communication system DTCs are output B

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

CHECK FOR DTC*

1. Check for DTCs and make a note of any codes that are output Click here.

2. Clear the DTCs Click here.

3. Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests. Click here.

   Result
   Result Proceed to No DTCs are output A DTCs are output B

   
   

   B

   Go to step 9

   A

PROBLEM SYMPTOMS TABLE

1. Refer to Problem Symptoms Table Click here.

   Result
   Result Proceed to Fault is not listed in Problem Symptoms Table A Fault is listed in Problem Symptoms Table B

   
   

   B

   Go to step 9

   A

OVERALL ANALYSIS AND TROUBLESHOOTING*

1. Diagnosis System Click here

2. Terminals of ECU Click here

3. Data List / Active Test Click here

   
   

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ADJUST, REPAIR OR REPLACE

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CONFIRMATION TEST

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