Home ReviewsRefund
Home/Lexus/LX/Lexus LX J200 (2007-2012)/Repair manual/Communication Devices/Lexus Link System (Diagnostic Codes): Other
Contents Wiring diagrams Section: Communication Devices All sections

Lexus Link System (Diagnostic Codes): Other Lexus LX J200

Communication Devices ~1163 words

PROCEDURE

  1. CHECK TELEPHONE ECU ASSEMBLY Press the SERVICES button and check the LEXUS Link condition with the LEXUS Link call center. OK System operates normally. NG System does not connect to LEXUS Link call center (current DTC 1-2 is stored). NG --> See step 2 OK --> END
  2. REPLACE TELEPHONE ECU ASSEMBLY TOGETHER WITH MAYDAY BATTERY NEXT --> See step 3
  3. PERFORM REGISTRATION. Refer to «REGISTRATION»(ref-385285-S20978396562011021400000)
  1. RESET TELEPHONE ECU ASSEMBLY Exit diagnosis mode and wait for 10 seconds. Disconnect the cable from the negative (-) battery terminal. NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal. When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-385196-S36681500272011021400000) . Reconnect the cable to the negative (-) battery terminal, and wait for 10 seconds. NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-385196-S36681500272011021400000) . Turn the engine switch on (IG), and then check for the current DTC and historic DTC again. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000) . RESULT Result Proceed to Current DTC 2-1 or 2-2 is output A Historic DTC 2-1 or 2-2 is output B B --> See step 2 A: Go to next step
  2. CLEAR HISTORIC DTC. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000)
  3. CHECK TELEPHONE ECU ASSEMBLY Press the SERVICES button and check the LEXUS Link condition with the LEXUS Link call center. OK System operates normally. NG System does not connect to LEXUS Link call center (current DTC 2-1 or 2-2 is stored). NG --> See step 4 OK --> END
  4. REPLACE TELEPHONE ECU ASSEMBLY TOGETHER WITH MAYDAY BATTERY NEXT --> See step 5
  5. PERFORM REGISTRATION. Refer to «REGISTRATION»(ref-385285-S20978396562011021400000)
  1. RESET TELEPHONE ECU ASSEMBLY Exit diagnosis mode and wait for 10 seconds. Disconnect the cable from the negative (-) battery terminal, and wait for 10 minutes. NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal. When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-385196-S36681500272011021400000) . Reconnect the cable to the negative (-) battery terminal, and wait for 10 seconds. NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-385196-S36681500272011021400000) . Turn the engine switch on (IG), and then check for the current DTC and historic DTC again. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000) . RESULT Result Proceed to Current DTC 2-3 or 2-4 is output A Historic DTC 2-3 or 2-4 is output B B --> See step 2 A: Go to next step
  2. CLEAR HISTORIC DTC. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000)
  3. REPLACE TELEPHONE ECU ASSEMBLY TOGETHER WITH MAYDAY BATTERY NEXT --> See step 4
  4. PERFORM REGISTRATION. Refer to «REGISTRATION»(ref-385285-S20978396562011021400000)
  1. RESET TELEPHONE ECU ASSEMBLY Exit diagnosis mode and wait for 10 seconds. Disconnect the cable from the negative (-) battery terminal, and wait for 10 minutes. NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal. When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-385196-S36681500272011021400000) . Reconnect the cable to the negative (-) battery terminal, and wait for 10 seconds. NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to «INITIALIZATION»(ref-385196-S36681500272011021400000) . Turn the engine switch on (IG). Keep the engine switch on (IG) for 5 minutes or more. Check for DTC again. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000) . RESULT Result Proceed to Current DTC 2-6 is output A Current DTC 2-6 is not output B B --> See step 2 A: Go to next step
  2. CLEAR HISTORIC DTC. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000)
  3. REPLACE TELEPHONE ECU ASSEMBLY TOGETHER WITH MAYDAY BATTERY NEXT --> See step 4
  4. PERFORM REGISTRATION. Refer to «REGISTRATION»(ref-385285-S20978396562011021400000)
  1. CHECK GPS ANTENNA OPERATION Check that there are no objects that may cause interference with the antenna in the surrounding area. Press the SERVICES button 10 minutes after turning the engine switch on (IG). Then check that the current location matches the information from the LEXUS Link call center. OK Telephone antenna (GPS antenna) operates normally. NG --> See step 2 OK --> See step 3
  2. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-385285-S23938039602011021400000)
  3. END (AFFECTED BY SURROUNDING CONDITIONS; CLEAR HISTORIC DTC). Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000)
  1. CHECK FOR DTC (BLINKING PATTERN) Turn the engine switch from on (IG) to off. Turn the engine switch on (IG) and wait for 10 seconds. Check for DTCs and wait for 20 seconds. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000) . OK DTC 5-1 is not output. NG --> See step 2 OK --> See step 6
  2. CHECK FOR DTC Check for DTCs using the Techstream. Refer to «DIAGNOSIS SYSTEM»(ref-385222-S33412669092011021400000) . HINT: The bus buffer ECU is connected to the CAN. Check that there are no CAN communication system DTCs output. RESULT Result Proceed to No DTC output A DTC related to CAN communication system output B HINT: "U" codes are CAN communication system codes. B --> See step 7 A: Go to next step
  3. CHECK HEADLIGHT DIMMER SWITCH When the headlight dimmer switch is set to the low beam position, check that the hazard switch illuminates. OK Hazard switch illuminates. HINT: The telephone ECU assembly uses the dimmer switch signal from the main body ECU to judge if communication has stopped. NG --> See step 8 OK: Go to next step
  4. REPLACE TELEPHONE ECU ASSEMBLY TOGETHER WITH MAYDAY BATTERY NEXT --> See step 5
  5. PERFORM REGISTRATION. Refer to «REGISTRATION»(ref-385285-S20978396562011021400000)
  6. CLEAR HISTORIC DTC. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000)
  7. GO TO CAN COMMUNICATION SYSTEM. Refer to «PRECAUTION»(ref-385222-S41286850992011021400000)
  8. GO TO LIGHTING SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-385273-S07755634392011021400000)
  1. REPLACE MAYDAY BATTERY (BACKUP BATTERY) Replace the mayday battery. Refer to «REMOVAL»(ref-385269-S26917090892011021400000) . Perform registration. Refer to «REGISTRATION - Step 4»(ref-385285-S21893725832011021400000) . Check for DTC again. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000) . OK Current DTC 6-1 is not output. NG --> See step 2 OK --> See step 3
  2. PERFORM REGISTRATION AGAIN. Refer to «REGISTRATION»(ref-385285-S20978396562011021400000)
  3. CLEAR HISTORIC DTC. Refer to «DTC CHECK / CLEAR»(ref-385285-S27742832902011021400000)
  1. CHECK VEHICLE BATTERY Check the vehicle battery. Standard voltage 11 to 14 V NG --> RECHARGE OR REPLACE VEHICLE BATTERY OK --> See step 2
  2. GO TO ECU POWER SOURCE CIRCUIT (TELEPHONE ECU ASSEMBLY). Refer to «ECU Power Source Circuit»(ref-385286-S26898946172011021400000)

More articles — Lexus Link System (Diagnostic Codes)