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BRAKE CONTROL SYSTEM 5A–23 Basic Diagnostic Flow Chart Basic Inspection Procedure 1. Basic Inspection of Service Brake 2. Ground Inspection Step Action Yes No 1 1. Customer complaint. 2. Questioning to customer. 3. Basic inspection (Refer to “ Basic inspection procedure ") Using TECH 2? Go to Step 2 Go to Step 4 2 Make sure of DTC by mode “F0: Diagnostic Trouble Codes". Clear code and check for repeatability. Go to Step 3 Go to Step 5 3 1. Repair of faulty part. 2. Elimination of DTC. 3. Inspection of “ABS" W/L Illumination pattern with ignition SW “ON". 4. Test drive. Does trouble repeat? Repeat the diagnosis it the symptom or DTC appears again Go to Step 1 Go to Step 5 4 Check if the DTC is stored or not. Clear code and check for repeatability Go to Step 3 Trouble diagnosis based on symptom (Refer to “ Symptom Diagnosis ") Go to Step 3 5 1. Reconnect all components. Ensure all component are properly mounted. 2. Clear diagnostic trouble code. Was this step finished? Finished Go to Step 5 Step Action Yes No 1 Is the fluid level normal? Go to Step 2 Replenish with fluid Go to Step 2 2 Does fluid leak? Repair Go to Step 3 Go to Step 3 3 Is the booster function normal? Go to Step 4 Repair Go to Step 4 4 Is the pad and rotor normal? Go to Step 5 Repair Go to Step 5 5 Reconnect all components. Ensure all component are properly Finished Go to Step 5 Step Action Yes No 1 Does ABS—related ground points normally? Go to Step 2 Repair Go to Step 2 2 Reconnect all components. Ensure all component are properly Finished Go to Step 2 |