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Pre-Collision (Diagnostic Codes & Circuit Tests): Other Lexus HS I

Airbag ~4152 words

PROCEDURE

  1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY RH Disconnect the front seat outer belt assembly RH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition M9-1 - Body ground Always 1 Mohms or higher M9-2 - Body ground Always 1 Mohms or higher Reconnect the front seat outer belt assembly RH connector. NG --> See step 4 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY RH - SEAT BELT CONTROL ECU) Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Disconnect the front seat outer belt assembly RH connector. Disconnect the seat belt control ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition M9-1 - Body ground Always 1 Mohms or higher M9-2 - Body ground Always 1 Mohms or higher M9-1 - M9-2 Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Front Seat Outer Belt Assembly RH) Reconnect the seat belt control ECU and front seat outer belt assembly RH connectors. Connect the cable to the negative (-) battery terminal. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY RH - SEAT BELT CONTROL ECU) OK --> See step 3
  3. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  4. REPLACE FRONT SEAT OUTER BELT ASSEMBLY RH. Refer to «REMOVAL»(ref-398091-S12853581082011051600000)
  1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY RH Disconnect the front seat outer belt assembly RH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition M9-1 - M9-2 Always Below 20 ohms Reconnect the front seat outer belt assembly RH connector. NG --> See step 4 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY RH - SEAT BELT CONTROL ECU) Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Disconnect the front seat outer belt assembly RH connector. Disconnect the seat belt control ECU connector. Using a service wire, connect 1 and 2 of the connector on the front seat outer belt assembly RH. NOTE: Do not forcibly insert the service wire into the terminals of the connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F107-1 (MOR-) - F107-2 (MOR+) Always Below 1 ohms Reconnect the seat belt control ECU and front seat outer belt assembly RH connectors. Connect the cable to the negative (-) battery terminal. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY RH - SEAT BELT CONTROL ECU) OK --> See step 3
  3. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  4. REPLACE FRONT SEAT OUTER BELT ASSEMBLY RH. Refer to «REMOVAL»(ref-398091-S12853581082011051600000)
  1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY LH Disconnect the front seat outer belt assembly LH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L9-1 - Body ground Always 1 Mohms or higher L9-2 - Body ground Always 1 Mohms or higher Reconnect the front seat outer belt assembly LH connector. NG --> See step 4 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY LH - SEAT BELT CONTROL ECU) Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Disconnect the front seat outer belt assembly LH connector. Disconnect the seat belt control ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L9-1 - Body ground Always 1 Mohms or higher L9-2 - Body ground Always 1 Mohms or higher L9-1 - L9-2 Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Front Seat Outer Belt Assembly LH) Reconnect the front seat outer belt assembly LH and seat belt control ECU connectors. Connect the cable to the negative (-) battery terminal. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY LH - SEAT BELT CONTROL ECU) OK --> See step 3
  3. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  4. REPLACE FRONT SEAT OUTER BELT ASSEMBLY LH. Refer to «REMOVAL»(ref-398091-S12853581082011051600000)
  1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY LH Disconnect the front seat outer belt assembly LH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L9-1 - L9-2 Always Below 20 ohms Reconnect the front seat outer belt assembly LH connector. NG --> See step 4 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY LH - SEAT BELT CONTROL ECU) Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Disconnect the front seat outer belt assembly LH connector. Disconnect the seat belt control ECU connector. Using a service wire, connect 1 and 2 of the connector on the front seat outer belt assembly LH. NOTE: Do not forcibly insert the service wire into the terminals of the connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F107-3 (MOL+) - F107-4 (MOL-) Always Below 1 ohms Reconnect the seat outer belt assembly LH and seat belt control ECU connectors. Connect the cable to the negative (-) battery terminal. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY LH - SEAT BELT CONTROL ECU) OK --> See step 3
  3. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  4. REPLACE FRONT SEAT OUTER BELT ASSEMBLY LH. Refer to «REMOVAL»(ref-398091-S12853581082011051600000)
  1. CHECK DTC OUTPUT Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Turn the power switch off. Turn the power switch on (IG). Recheck for DTCs. OK DTCs are not output. NG --> See step 3 OK --> See step 2
  2. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  3. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK CAN communication system DTC is not output. NG --> See step 6 OK: Go to next step
  2. CHECK DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) Check DTCs for the electronically controlled brake system. Refer to «DTC CHECK / CLEAR»(ref-398097-S18517405762011051600000) . OK Electronically controlled brake system DTC is not output. NG --> See step 4 OK: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Drive the vehicle. Recheck for DTCs. OK DTC B2060 is not output. NG --> See step 5 OK --> See step 7
  4. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398097-S01025085302011051600000)
  5. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  6. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  7. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK CAN communication system DTC is not output. NG --> See step 7 OK: Go to next step
  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK DTC B2064 is not output. NG --> See step 3 OK --> See step 6
  3. REPLACE MAIN BODY ECU Replace the main body ECU. Refer to «REMOVAL»(ref-398241-S22735242352011051600000) . NEXT: Go to next step
  4. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK DTC B2064 is not output. NG --> See step 5 OK --> END
  5. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  6. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  7. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK CAN communication system DTC is not output. NG --> See step 5 OK: Go to next step
  2. CHECK DTC OUTPUT (AIRBAG SYSTEM) Check DTCs for the airbag system. Refer to «DTC CHECK / CLEAR»(ref-398246-S01125415292011051600000) . OK Airbag system DTC is not output. NG --> See step 6 OK: Go to next step
  3. CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM) Check DTC for the occupant classification system. Refer to «DTC CHECK / CLEAR»(ref-398103-S42135564202011051600000) . OK Occupant classification system DTC is not output. NG --> See step 7 OK: Go to next step
  4. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK DTC B2074 or B2075 is not output. NG --> See step 8 OK --> See step 9
  5. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  6. GO TO AIRBAG SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398246-S23494487152011051600000)
  7. GO TO OCCUPANT CLASSIFICATION SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398103-S07988149292011051600000)
  8. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  9. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Check for DTCs. OK CAN communication system DTC is output. NG --> See step 4 OK: Go to next step
  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Check for DTCs. OK DTC B2085 is not output. NG --> See step 5 OK --> See step 3
  3. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOMS SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  4. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  5. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  1. CHECK DTC OUTPUT (DYNAMIC RADAR CRUISE CONTROL SYSTEM) Check DTCs for the dynamic radar cruise control system. Refer to «DTC CHECK / CLEAR»(ref-398266-S23635926592011051600000) . OK Dynamic radar cruise control system DTCs are not output. Result Result Proceed to OK (w/ Lane keeping assist system) A OK (w/o Lane keeping assist system) B NG C C --> See step 5 B --> See step 3 A: Go to next step
  2. CHECK DTC OUTPUT (LANE KEEPING ASSIST SYSTEM) Check DTCs for the lane keeping assist system. Refer to «DTC CHECK / CLEAR»(ref-398270-S34530584592011051600000) . OK Lane keeping assist system DTC is not output. NG --> See step 6 OK: Go to next step
  3. CHECK DTC OUTPUT (DRIVING SUPPORT ECU (PRE-COLLISION 2)) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . OK "Pre-Collision 2" DTC is not output. NG --> See step 7 OK: Go to next step
  4. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK DTC B2090 is not output. NG --> See step 8 OK --> END
  5. GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398266-S11369860342011051600000)
  6. GO TO LANE KEEPING ASSIST SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398270-S42126289232011051600000)
  7. GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398341-S36077820632011051600000)
  8. REPLACE SEAT BELT CONTROL ECU. Refer to «REMOVAL»(ref-398296-S16115454262011051600000)
  1. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK DTC C1A01 is not output. NG --> See step 2 OK --> See step 3
  2. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  3. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK CAN communication system DTC is not output. NG --> See step 3 OK --> See step 2
  2. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  3. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  1. CHECK MILLIMETER WAVE RADAR SENSOR Change the millimeter wave radar sensor to aiming adjustment mode. HINT: Aiming adjustment does not need to be performed. When the millimeter wave radar sensor is changed to aiming adjustment mode, specification information will be acquired from the driving support ECU. NEXT: Go to next step
  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Perform the following to make sure that the DTC detection conditions are met. HINT: If the detection conditions are not met, the malfunction cannot be detected. Drive the vehicle at a speed of 40 km/h (25 mph) or more. Turn the cruise main switch on. Enter vehicle-to-vehicle distance control mode. Recheck for DTCs. OK DTC C1A0A is not output. NG --> See step 3 OK --> END
  3. REPLACE MILLIMETER WAVE RADAR SENSOR. Refer to «REMOVAL»(ref-398095-S27663232942011051600000)
  1. REPLACE LANE RECOGNITION CAMERA SENSOR ASSEMBLY Replace the lane recognition camera sensor assembly. Refer to «REMOVAL»(ref-398095-S29747717022011051600000) . NEXT: Go to next step
  2. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY Adjust the lane recognition camera sensor assembly. Refer to «ADJUSTMENT»(ref-398095-S16199428762011051600000) . NEXT: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Turn the power switch off. Turn the power switch on (IG). Drive the vehicle. Recheck for DTCs. OK DTC C1A0C is not output. NG --> See step 4 OK --> END
  4. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  1. REPLACE MILLIMETER WAVE RADAR SENSOR Replace the millimeter wave radar sensor assembly. Refer to «REMOVAL»(ref-398095-S27663232942011051600000) . NEXT: Go to next step
  2. ADJUST MILLIMETER WAVE RADAR SENSOR Adjust the millimeter wave radar sensor assembly. Refer to «ADJUSTMENT»(ref-398095-S10326050762011051600000) . NEXT: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Perform the following to make sure that the DTC detection conditions are met. HINT: If the detection conditions are not met, the malfunction cannot be detected. Drive the vehicle at a speed of 40 km/h (25 mph) or more. Turn the cruise main switch on. Enter vehicle-to-vehicle distance control mode. Recheck for DTCs. OK DTC C1A10 is not output. NG --> See step 4 OK --> END
  4. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  1. ADJUST MILLIMETER WAVE RADAR SENSOR Check the millimeter wave radar sensor installation. Refer to «INSTALLATION»(ref-398095-S23353431202011051600000) . Adjust the millimeter wave radar sensor. Refer to «ADJUSTMENT»(ref-398095-S10326050762011051600000) . NEXT: Go to next step
  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Drive the vehicle. Recheck for DTCs. OK DTC C1A11 or C1A14 is not output. HINT: After performing the radar beam axis adjustment, if the same DTC is output again after the DTC detection conditions are met, replace the driving support ECU. NG --> See step 3 OK --> END
  3. REPLACE MILLIMETER WAVE RADAR SENSOR Replace the millimeter wave radar sensor. Refer to «REMOVAL»(ref-398095-S27663232942011051600000) . NEXT: Go to next step
  4. ADJUST MILLIMETER WAVE RADAR SENSOR Adjust the millimeter wave radar sensor. Refer to «ADJUSTMENT»(ref-398095-S10326050762011051600000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Perform the following to make sure that the DTC detection conditions are met. HINT: If the detection conditions are not met, the malfunction cannot be detected. Drive the vehicle at a speed of 40 km/h (25 mph) or more. Turn the cruise main switch on. Enter vehicle-to-vehicle distance control mode. Recheck for DTCs. OK DTC C1A11 or C1A14 is not output. NG --> See step 6 OK --> END
  6. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  1. REPLACE LANE RECOGNITION CAMERA SENSOR ASSEMBLY Replace the lane recognition camera sensor assembly. Refer to «REMOVAL»(ref-398095-S29747717022011051600000) . NEXT: Go to next step
  2. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY Adjust the lane recognition camera sensor assembly. Refer to «ADJUSTMENT»(ref-398095-S16199428762011051600000) . NEXT: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Turn the power switch off. Turn the power switch on (IG). Drive the vehicle at a speed of 50 km/h (30 mph) or more with lane keeping assist switch on. Recheck for DTCs. OK DTC C1A20 is not output. NG --> See step 4 OK --> END
  4. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  1. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY Adjust the lane recognition camera sensor assembly. Refer to «ADJUSTMENT»(ref-398095-S16199428762011051600000) . NEXT: Go to next step
  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Turn the power switch off. Turn the power switch on (IG). Drive the vehicle at a speed of 50 km/h (30 mph) or more with lane keeping assist switch on. Recheck for DTCs. OK DTC is not output. NG --> See step 3 OK --> END
  3. REPLACE LANE RECOGNITION CAMERA SENSOR ASSEMBLY Replace the lane recognition camera sensor assembly. Refer to «REMOVAL»(ref-398095-S29747717022011051600000) . NEXT: Go to next step
  4. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY Adjust the lane recognition camera sensor assembly. Refer to «ADJUSTMENT»(ref-398095-S16199428762011051600000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Turn the power switch off. Turn the power switch on (IG). Drive the vehicle at a speed of 50 km/h (30 mph) or more with lane keeping assist switch on. Recheck for DTCs. OK DTC is not output. NG --> See step 6 OK --> END
  6. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  1. REPLACE DRIVER MONITOR ECU Replace the driver monitor ECU. Refer to «REMOVAL»(ref-398296-S20723478812011051600000) . NEXT: Go to next step
  2. CHECK FOR DTC Using the Techstream, enter the following menus: Body Electrical / Pre-Collision2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Turn the power switch off. Turn the power switch on (IG). Drive the vehicle. Recheck for DTC. OK DTC C1A30 is not output. NG --> See step 3 OK --> END
  3. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  1. CHECK DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) Check DTCs for the electronically controlled brake system. Refer to «DTC CHECK / CLEAR»(ref-398097-S18517405762011051600000) . OK Electronically controlled brake system DTC is not output. NG --> See step 4 OK: Go to next step
  2. REPLACE BRAKE BOOSTER WITH MASTER CYLINDER Replace the brake booster with master cylinder (skid control ECU). Refer to «REMOVAL»(ref-398212-S42415717782011051600000) . NEXT: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Drive the vehicle. Recheck for DTCs. OK DTC C1A46 is not output. NG --> See step 5 OK --> See step 6
  4. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398097-S01025085302011051600000)
  5. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  6. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  1. CHECK DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) Check DTCs for the electronically controlled brake system. Refer to «DTC CHECK / CLEAR»(ref-398097-S18517405762011051600000) . OK Electronically controlled brake system DTC is not output. NG --> See step 4 OK: Go to next step
  2. REPLACE BRAKE BOOSTER WITH MASTER CYLINDER Replace the brake booster with master cylinder (skid control ECU). Refer to «REMOVAL»(ref-398212-S42415717782011051600000) . NEXT: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Drive the vehicle. Recheck for DTCs. OK DTC C1A47 is not output. NG --> See step 5 OK --> See step 6
  4. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398097-S01025085302011051600000)
  5. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  6. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398089-S18270818032011051600000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM (SKID CONTROL BUZZER) Select the Active Test, use the Techstream to generate a control command, then check that the skid control buzzer sounds. Refer to «DATA LIST / ACTIVE TEST»(ref-398097-S36405419582011051600000) . CHASSIS/ABS/VSC/TRAC Tester Display Test Part Control Range Diagnostic Note Buzzer Skid control buzzer sounds ON/OFF - OK Skid control buzzer sounds. NG --> See step 4 OK: Go to next step
  2. REPLACE BRAKE BOOSTER WITH MASTER CYLINDER Replace the brake booster with master cylinder (skid control ECU). Refer to «REMOVAL»(ref-398212-S42415717782011051600000) . NEXT: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Recheck for DTCs. OK DTC C1A4A is not output. NG --> See step 5 OK --> END
  4. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398097-S01025085302011051600000)
  5. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  1. CHECK DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) Check DTC for electronically controlled brake system. Refer to «DTC CHECK / CLEAR»(ref-398097-S18517405762011051600000) . OK Electronically controlled brake system DTC is not output. NG --> See step 5 OK: Go to next step
  2. REPLACE BRAKE BOOSTER WITH MASTER CYLINDER Replace the brake booster with master cylinder (skid control ECU). Refer to «REMOVAL»(ref-398212-S42415717782011051600000) . NEXT: Go to next step
  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Check for DTCs. OK DTC C1A4B is not output. NG --> See step 4 OK --> END
  4. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)
  5. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398097-S01025085302011051600000)
  1. CHECK DTC OUTPUT Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Result Result Proceed to DTC U1119 is output A DTC other than U1119 is output B B --> See step 6 A: Go to next step
  2. CHECK HARNESS OR CONNECTOR (DRIVING SUPPORT ECU - LANE RECOGNITION CAMERA SENSOR) Disconnect the driving support ECU and lane recognition camera sensor assembly connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Condition Condition Specified Condition P8-5 (HITP) - F102-24 (HITP) Always Below 1 ohms P8-5 (HITP) or F102-24 (HITP) - Body ground Always 10 kohms or higher Reconnect the driving support ECU and lane recognition camera sensor assembly connectors. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (DRIVING SUPPORT ECU - LANE RECOGNITION CAMERA SENSOR) OK: Go to next step
  3. REPLACE LANE RECOGNITION CAMERA SENSOR ASSEMBLY Replace lane recognition camera sensor assembly. Refer to «REMOVAL»(ref-398095-S29747717022011051600000) . NEXT: Go to next step
  4. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY Adjust the lane recognition camera sensor assembly. Refer to «ADJUSTMENT»(ref-398095-S16199428762011051600000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-398341-S04426416572011051600000) . Turn the power switch off. Turn the power switch on (IG). Drive the vehicle at a speed of 50 km/h (31 mph) or more, and operate lane keeping assist control. Recheck for DTCs. OK DTC is not output. NG --> See step 7 OK --> END
  6. GO TO CAN COMMUNICATION CIRCUIT. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000)
  7. REPLACE DRIVING SUPPORT ECU. Refer to «REMOVAL»(ref-398095-S30328724522011051600000)

More articles — Pre-Collision (Diagnostic Codes & Circuit Tests)