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LIN Communication System (Diagnostic Codes): Other Lexus RX III

Communication Devices ~4654 words

PROCEDURE

  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. HINT: This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the built-in main body ECU (multiplex network body ECU). Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - MB-16 (LIN2) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) *2 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 6 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR Disconnect the J7 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - J7-17 (LIN1) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Multiplex Network Master Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2D-27 (LIN2) - J7-17 (LIN1) Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Multiplex Network Master Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Replace the multiplex network master switch assembly. Refer to «REMOVAL»(ref-400909-S06953055322011051800000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. OK DTC B1206 is not output. NG --> See step 7 OK --> END (MULTIPLEX NETWORK MASTER SWITCH WAS DEFECTIVE)
  6. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S25394726942011051800000)
  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. HINT: This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the built-in main body ECU (multiplex network body ECU). Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2)- MB-16 (LIN2) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) *2 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 6 OK: Go to next step
  2. CHECK HARNESS OR CONNECTOR Disconnect the T2 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - T2-4 (LIN) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Sliding Roof Drive Gear Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition T2-1 (B) - T2-2 (E) Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition T2-2 (E) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Sliding Roof Drive Gear Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Replace the sliding roof drive gear assembly. Refer to «REMOVAL»(ref-400932-S34752143452011051800000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. OK DTC B1273 is not output. NG --> See step 7 OK --> END (SLIDING ROOF DRIVE GEAR ASSEMBLY WAS DEFECTIVE)
  6. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S25394726942011051800000)
  1. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. HINT: Check the both smart access and main body DTCs. Result Result Proceed to Only DTC B2287 is output. A DTC B2287 and B2785 are output simultaneously. B HINT: When DTC B2287 and B2785 are output simultaneously, perform troubleshooting for DTC B2785 first. B --> See step 6 A: Go to next step
  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - POWER MANAGEMENT CONTROL ECU) Disconnect the F8 and F58 connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-24 (LIN2) - F58-29 (LIN) Always Below 1 ohms F8-24 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) *2 Front view of wire harness connector (to Power Management Control ECU) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. REPLACE POWER MANAGEMENT CONTROL ECU Replace the power management control ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000) . NEXT: Go to next step
  4. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. OK DTC B2287 is not output. NG --> See step 5 OK --> END (POWER MANAGEMENT CONTROL ECU WAS DEFECTIVE)
  5. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL»(ref-400879-S24695669682011051800000)
  6. GO TO DTC B2785. Refer to «DTC B2785: Communication Malfunction between ECUs Connected by LIN»(ref-400878-S34049571812011051800000)
  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. HINT: This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the built-in main body ECU (multiplex network body ECU). Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - MB-16 (LIN2) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) *2 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 6 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR Disconnect the J1 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - J1-9 (LIN) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Front Power Window Regulator Motor Assembly LH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition J1-2 (B) - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition J1-1 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Front Power Window Regulator Motor Assembly LH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Replace the front power window regulator motor assembly LH. Refer to «REMOVAL»(ref-400909-S09024954932011051800000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Check for DTCs. OK DTC B2321 is not output. NG --> See step 7 OK --> END (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH WAS DEFECTIVE)
  6. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S25394726942011051800000)
  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. HINT: This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the built-in main body ECU (multiplex network body ECU). Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - MB-16 (LIN2) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument panel Junction Block Assembly) *2 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 6 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR Disconnect the I2 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - I2-9 (LIN) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Front Power Window Regulator Motor Assembly RH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition I2-2 (B) - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition I2-1 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Front Power Window Regulator Motor Assembly RH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Replace the front power window regulator motor assembly RH. Refer to «REMOVAL»(ref-400909-S09024954932011051800000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Check for DTCs. OK DTC B2322 is not output. NG --> See step 7 OK --> END (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH WAS DEFECTIVE)
  6. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S25394726942011051800000)
  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. HINT: This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the built-in main body ECU (multiplex network body ECU). Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - MB-16 (LIN2) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) *2 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 6 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR Disconnect the K2 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-27 (LIN2) - K2-9 (LIN) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Rear Power Window Regulator Motor Assembly RH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition K2-2 (B) - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition K2-1 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Rear Power Window Regulator Motor Assembly RH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE REAR POWER WINDOW REGULATOR MOTOR RH Replace the rear power window regulator motor assembly RH. Refer to «REMOVAL»(ref-400909-S02849106192011051800000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Check for DTCs. OK DTC B2323 is not output. NG --> See step 7 OK --> END (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH WAS DEFECTIVE)
  6. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S25394726942011051800000)
  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. HINT: This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the built-in main body ECU (multiplex network body ECU). Standard Resistance Tester Connection Condition Specified Condition 2H-25 (LIN2) - MB-16 (LIN2) Always Below 1 ohms 2H-25 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) *2 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 6 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR Disconnect the L2 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2H-25 (LIN2) - L2-9 (LIN) Always Below 1 ohms 2H-25 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness or connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Rear Power Window Regulator Motor Assembly LH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition L2-2 (B) - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L2-1 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness or connector (to Rear Power Window Regulator Motor Assembly LH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Replace the rear power window regulator motor assembly LH. Refer to «REMOVAL»(ref-400909-S02849106192011051800000) . NEXT: Go to next step
  5. CHECK DTC OUTPUT Clear the DTC. Refer to «DATA LIST / ACTIVE TEST»(ref-400663-S15915276572011051800000) . Check for DTCs. OK DTC B2324 is not output. NG --> See step 7 OK --> END (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH WAS DEFECTIVE)
  6. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S25394726942011051800000)
  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000) . Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. HINT: This inspection is to check the LIN line in the instrument panel junction block assembly that connects the wire harness to the built-in main body ECU (multiplex network body ECU). Standard Resistance Tester Connection Condition Specified Condition 2H-25 (LIN2) - MB-16 (LIN2) Always Below 1 ohms 2D-27 (LIN2) - MB-16 (LIN2) Always Below 1 ohms 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) *2 Component without harness connected (Instrument Panel Junction Block Assembly) *3 Component without harness connected (Instrument Panel Junction Block Assembly) - - NG --> See step 9 OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR Disconnect the L2, T2, J7, K2, J1 and I2 connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2H-25 (LIN2) - L2-9 (LIN) Always Below 1 ohms 2D-27 (LIN2) - T2-4 (LIN) Always Below 1 ohms 2D-27 (LIN2) - K2-9 (LIN) Always Below 1 ohms 2D-27 (LIN2) - J7-17 (LIN1) Always Below 1 ohms 2D-27 (LIN2) - I2-9 (LIN) Always Below 1 ohms 2D-27 (LIN2) - J1-9 (LIN) Always Below 1 ohms 2H-25 (LIN2) - Body ground Always 10 kohms or higher 2D-27 (LIN2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *2 Front view of wire harness connector (to Instrument Panel Junction Block Assembly) *3 Front view of wire harness connector (to Multiplex Network Master Switch Assembly) *4 Front view of wire harness connector (to Sliding Roof ECU (Sliding Roof Drive Gear Assembly)) *5 Front view of wire harness connector (to Front Power Window Regulator Motor Assembly RH) *6 Front view of wire harness connector (to Front Power Window Regulator Motor Assembly LH) *7 Front view of wire harness connector (to Rear Power Window Regulator Motor Assembly RH) *8 Front view of wire harness connector (to Rear Power Window Regulator Motor Assembly LH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK DTC OUTPUT (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) Reconnect the 2H, 2D, T2, J7, K2, J1 and I2 connectors. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . After 10 seconds have elapsed, check if the trouble occurs again. Check for DTCs again. Result Result Proceed to DTC B2325 is output A DTC B2325 is not output B B --> See step 10 A: Go to next step
  4. CHECK DTC OUTPUT (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)) Reconnect the L2 connector. Disconnect the T2 connector. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . After 10 seconds have elapsed, check if the trouble occurs again. Check for DTCs again. Result Result Proceed to DTC B2325 is output A DTC B2325 is not output B B --> See step 11 A: Go to next step
  5. CHECK DTC OUTPUT (MULTIPLEX NETWORK MASTER SWITCH) Reconnect the T2 connector. Disconnect the J7 connector. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . After 10 seconds have elapsed, check if the trouble occurs again. Check for DTCs again. Result Result Proceed to DTC B2325 is output A DTC B2325 is not output B B --> See step 12 A: Go to next step
  6. CHECK DTC OUTPUT (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) Reconnect the J7 connector. Disconnect the K2 connector. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . After 10 seconds have elapsed, check if the trouble occurs again. Check for DTCs again. Result Result Proceed to DTC B2325 is output A DTC B2325 is not output B B --> See step 13 A: Go to next step
  7. CHECK DTC OUTPUT (FRONT POWER WINDOW REGULATOR MOTOR LH) Reconnect the K2 connector. Disconnect the J1 connector. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . After 10 seconds have elapsed, check if the trouble occurs again. Check for DTCs again. Result Result Proceed to DTC B2325 is output A DTC B2325 is not output B B --> See step 14 A: Go to next step
  8. CHECK DTC OUTPUT (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) Reconnect the J1 connector. Disconnect the I2 connector. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . After 10 seconds have elapsed, check if the trouble occurs again. Check for DTCs again. Result Result Proceed to DTC B2325 is output A DTC B2325 is not output B B --> See step 15 A --> See step 16
  9. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL - Step 2»(ref-400866-S27767373132011051800000)
  10. REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to «REMOVAL»(ref-400909-S02849106192011051800000)
  11. REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to «REMOVAL»(ref-400932-S34752143452011051800000)
  12. REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to «REMOVAL»(ref-400909-S06953055322011051800000)
  13. REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to «REMOVAL»(ref-400909-S02849106192011051800000)
  14. REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to «REMOVAL»(ref-400909-S09024954932011051800000)
  15. REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to «REMOVAL»(ref-400909-S09024954932011051800000)
  16. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL»(ref-400866-S25394726942011051800000)
  1. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - EACH ECU) Disconnect the F58, F8, F45 and F37 connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F58-29 (LIN) - F37-5 (LIN) Always Below 1 ohms F58-29 (LIN) - F8-24 (LIN2) Always Below 1 ohms F58-29 (LIN) - F45-3 (LIN1) Always Below 1 ohms F58-29 (LIN) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) *2 Front view of wire harness connector (to Power Management Control ECU) *3 Front view of wire harness connector (to ID code box (Immobilizer Code ECU)) *4 Front view of wire harness connector (to Steering Lock ECU (Steering Lock Actuator Assembly)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  2. CHECK DTC OUTPUT (STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)) Reconnect the F58, F8 and F45 connectors. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. Result Result Proceed to DTC B2785 is output A DTC B2785 is not output B B --> See step 5 A: Go to next step
  3. CHECK DTC OUTPUT (POWER MANAGEMENT CONTROL ECU) Reconnect the F37 connector. Disconnect the F8 connector. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. Result Result Proceed to DTC B2785 is output A DTC B2785 is not output B B --> See step 6 A: Go to next step
  4. CHECK DTC OUTPUT (ID CODE BOX (IMMOBILIZER CODE ECU)) Reconnect the F8 connector. Disconnect the F45 connector. Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. Result Result Proceed to DTC B2785 is output A DTC B2785 is not output B B --> REPLACE ID CODE BOX (IMMOBILIZER CODE ECU) A --> REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
  5. REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY). Refer to «DISASSEMBLY - Step 1»(ref-400650-S34532062312011051800000)
  6. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000)
  1. CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BATTERY AND BODY GROUND) Disconnect the F37 connector. Measure the resistance and voltage according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F37-1 (GND) - Body ground Always Below 1 ohms Standard Voltage Tester Connection Condition Specified Condition F37-7 (B) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Steering Lock ECU (Steering Lock Actuator Assembly)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - STEERING LOCK ECU) Disconnect the F58 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F58-29 (LIN) - F37-5 (LIN) Always Below 1 ohms F58-29 (LIN) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Certification ECU (Smart key ECU assembly)) *2 Front view of wire harness connector (to Steering lock ECU (Steering Lock Actuator Assembly)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) Replace the steering lock ECU (steering lock actuator assembly). Refer to «DISASSEMBLY - Step 1»(ref-400650-S34532062312011051800000) . NEXT: Go to next step
  4. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. OK DTC B2786 is not output. NG --> REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) OK --> END (STEERING LOCK ECU WAS DEFECTIVE)
  1. CHECK HARNESS AND CONNECTOR (ID CODE BOX - BATTERY AND BODY GROUND) Disconnect the F45 connector. Measure the resistance and voltage according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F45-8 (GND) - Body ground Always Below 1 ohms Standard Voltage Tester Connection Condition Specified Condition F45-1 (+B) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to ID Code Box (Immobilizer Code ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ID CODE BOX) Disconnect the F58 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F58-29 (LIN) - F45-3 (LIN1) Always Below 1 ohms F58-29 (LIN) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) *2 Front view of wire harness connector (to ID Code Box (Immobilizer Code ECU)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. REPLACE ID CODE BOX (IMMOBILIZER CODE ECU) Replace the ID code box (immobilizer code ECU). Refer to «REMOVAL»(ref-400879-S37496938062011051800000) . NEXT: Go to next step
  4. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. OK DTC B2789 is not output. NG --> REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) OK --> END (ID CODE BOX (IMMOBILIZER CODE ECU) WAS DEFECTIVE)
  1. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BATTERY AND BODY GROUND) Disconnect the F8 connector. Measure the resistance and voltage according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F8-5 (GND2) Always Below 1 ohms F8-6 (GND) - Body ground Always Below 1 ohms Standard Voltage Tester Connection Condition Specified Condition F8-1 (AM22) - Body ground Always 11 to 14 V F8-2 (AM21) Always 11 to 14 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Power Management Control ECU) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BATTERY OR BODY GROUND) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - POWER MANAGEMENT CONTROL ECU) Disconnect the F58 connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F58-29 (LIN) - F8-24 (LIN2) Always Below 1 ohms F58-29 (LIN) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) *2 Front view of wire harness connector (to Power Management Control ECU) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (CERTIFICATION ECU - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  3. REPLACE POWER MANAGEMENT CONTROL ECU Replace the power management control ECU. Refer to «REMOVAL»(ref-400866-S20732920482011051800000) . NEXT: Go to next step
  4. CHECK DTC OUTPUT Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-400663-S31740872432011051800000) . Recheck for DTCs. OK DTC B278C is not output. NG --> See step 5 OK --> END (POWER MANAGEMENT CONTROL ECU WAS DEFECTIVE)
  5. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL»(ref-400879-S24695669682011051800000)

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