How To Proceed With Troubleshooting

PRE-COLLISION: PRE-COLLISION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedure to troubleshoot the pre-collision system.
* The Techstream should be used in steps 3, 4 and 6.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT AUXILIARY BATTERY VOLTAGE

(a) 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 BATTERY
OK -- Continue to next step.

3. CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally Pre-Collision System.

Result:





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

4. CHECK FOR DTC

(a) Check for DTCs Pre-Collision System.

(1) Record the DTCs.

(b) Clear the DTCs.

(c) Recheck for DTCs.

(1) Attempt to duplicate the malfunction and check if the DTCs are output again Pre-Collision System.

Result:





B -- GO TO DTC CHART Pre-Collision System

C -- GO TO SYMPTOM SIMULATION How To Proceed With Troubleshooting
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

Refer to Problem Symptoms Table Pre-Collision System.

Result:





B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Data List / Active Test Pre-Collision System

(b) Terminals of ECU Pre-Collision System

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END