|
|
SYMPTOM PROCEDURES SMART WIRING SYSTEM (SWS) USING SWS MONITOR 54C-274 "OK" are displayed for all the items : Go to Step 2. "NG" is displayed on the "COLUMN ECU" menu. : Refer to Inspection Procedure A-2 "NG" is displayed on the "FRONT ECU" menu. : Refer to Inspection Procedure A-4 Step 2. Function diagnosis by using the SWS Check the SWS communication signal, which are <Selected item> LIGHTING - TAIL LAMP • Ignition switch: ON • Lighting switch: TAIL OK: Normal conditions are displayed for all Q: Are the check result normal? Normal conditions are displayed for all the items. : Go to Step 3. Normal condition is not displayed for item 00, 01 or Refer to inspection procedure Q-6 "The ." Normal condition is not displayed for item No.30. : Refer to inspection procedure Q-2 "The Normal condition is not displayed for item No.35. : Refer to Inspection Procedure M-5 "The Normal condition is not displayed for item No.70. : Replace the front-ECU. Step 3. Connector check: A-14X front-ECU Q: Is the check result normal? YES : Go to Step 4. NO : Repair the defective connector. Step 4. Voltage measurement at A-14X front-ECU (1) Remove the front-ECU, and measure at the relay box side. (2) Voltage between A-14X front-ECU connector terminal No.5 and body earth OK: System voltage Q: Is the check result normal? YES : Go to Step 6. NO : Go to Step 5. Item No. Item name Normal Item 00 HEADLAMP SW ON when the Item 01 TAIL LAMP SW ON when the Item 03 PASSING SW OFF Item 30 IG SW(IG1) ON Item 35 HD AUTO-CUT OFF Item 70 FRONT ECU ACK NORMAL ACK AC311521AB Connector: A-14X Relay box side AC311521AB Connector: A-14X Relay box side AC310507CE Connector A-14X |