PRE-CRASH SAFETY SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

VEHICLE BROUGHT TO WORKSHOP

NEXT

INSPECT AUXILIARY BATTERY VOLTAGE

1. Measure the auxiliary battery voltage with the power switch off.

   Standard voltage
   11 to 14 V

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

   
   

   NG

   CHARGE OR REPLACE AUXILIARY BATTERY

   OK

CHECK CAN COMMUNICATION SYSTEM

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

   Result
   DTC Condition Proceed to CAN DTC is not output A CAN DTC is output B

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

CHECK FOR DTC

1. Check for DTCs Click here.

   
   

   1. Record the DTCs.

2. Clear the DTCs.

3. Recheck for DTCs.

   
   

   1. Attempt to duplicate the malfunction and check if the DTCs are output again Click here.

      Result
      DTC Condition Proceed to DTC is not output A DTC is output B No DTC is output, and malfunction cannot be duplicated or checked C

   
   

   B

   GO TO DTC CHART Click here

   C

   GO TO SYMPTOM SIMULATION Click here

   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 7

   A

OVERALL ANALYSIS AND TROUBLESHOOTING

1. Data List / Active Test Click here

2. Terminals of ECU Click here

   
   

   NEXT

ADJUST, REPAIR OR REPLACE

NEXT

CONFIRMATION TEST

NEXT