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Lexus Enform System (Diagnostic Codes & Symptom Tests): Other Lexus IS III

Entertainment Systems ~2073 words

PROCEDURE

  1. CHECK DTC Clear the DTCs. Refer to «DTC CHECK/CLEAR [04/2013 - ]»(ref-665845-S11135303572014102400000) Body Electrical > Telematics > Clear DTCs Recheck for DTCs and check if the same DTC is output again. Body Electrical > Telematics > Trouble Codes Result Result Proceed to DTCs are output A DTCs are not output B HINT: If CAN communication system DTCs are stored, they may also be stored for other systems. If the CAN communication system has been inspected and repaired, these DTCs will not be output when rechecking for DTCs. If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - ]»(ref-665529-S21853141262014102400000) Result: 1 A GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - ]»(ref-665785-S15342612202014102400000) Result: 2 B USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - ]»(ref-665529-S21853141262014102400000)
  1. CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY Check if the cellular phone is compatible (Refer to http://www.lexus.com/MobileLink/). Result Result Proceed to Cellular phone is compatible. A Cellular phone is not compatible. B HINT: It is important to check the cellular phone compatibility charts carefully: Some apps may only work on cellular phones. Some apps may only work when paired to a vehicle. Some cellular phones do not support all features. Result: 2 B RECOMMEND COMPATIBLE CELLULAR PHONE Result: 1 A See step 2
  2. CONFIRM CELLULAR PHONE SIGNAL A 3G or higher connection is required for proper LEXUS App Suite functionality. If a 3G or higher connection is not available, some apps may not function properly. ("Wi-Fi" is not an approved connection for Enform services.) Result Proceed to NEXT Result: 1 NEXT See step 3
  3. CONFIRM THE LEXUS APP SUITE APP IS DOWNLOADED TO THE CUSTOMER'S CELLULAR PHONE Turn the cellular phone on. Check that the LEXUS App Suite app has been downloaded. Result Result Proceed to LEXUS App Suite app has not been downloaded. A LEXUS App Suite app has been downloaded. B Result: 2 B See step 5 Result: 1 A See step 4
  4. DOWNLOAD LEXUS APP SUITE APP Download the LEXUS App Suite app. Result Result Proceed to LEXUS App Suite app downloaded successfully. A LEXUS App Suite app did not download successfully. B HINT: Contact the service provider or cellular phone manufacturer if assistance is required for downloading the LEXUS App Suite app or resetting the customer's cellular phone. Result: 2 B RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN Result: 1 A See step 5
  5. CHECK IF THE CUSTOMER'S ACCOUNT IS VALID AND ACTIVE Start the LEXUS App Suite app on the customer's cellular phone. Sign out of the account (if currently signed in). Sign in using the customer's account information. Result Result Proceed to Sign in to LEXUS App Suite app is not successful. A Sign in to LEXUS App Suite app is successful. B HINT: The purpose of signing out of the account and then signing back in is to ensure that the correct account is used. Result: 2 B See step 9 Result: 1 A See step 6
  6. RECORD ERROR MESSAGES IF PRESENT Result Proceed to NEXT Result: 1 NEXT See step 7
  7. CONFIRM THE CUSTOMER'S CELLULAR PHONE WITH A KNOWN GOOD ENFORM ACCOUNT (e.g. DEALER DEMO ACCOUNT) Start the LEXUS App Suite app on the customer's cellular phone. Sign out of the customer's account (if currently signed in). Sign in using a known good Enform account (e.g. dealer demo account). Result Result Proceed to Sign in using known good account is successful. A Sign in using known good account is not successful. B HINT: The purpose of signing out of the account and then signing back in is to ensure that the correct account is used. Upon completion of this procedure, be sure to sign out of the known good account on the customer's cellular phone. If sign in using a known good account is successful, the customer's account has a problem. Instruct the customer to visit http://www.lexus.com/MobileLink/ or contact Enform customer support for account status verification. Result: 1 A CUSTOMER ACCOUNT ISSUE (SIGN OUT OF THE DEALER DEMO ACCOUNT) Result: 2 B See step 8
  8. CONFIRM ENFORM SERVICES ARE AVAILABLE Start the LEXUS App Suite app on a known good cellular phone. Sign out of the account (if currently signed in). Sign in using a known good Enform account (e.g. dealer demo account). Result Result Proceed to Sign in to LEXUS App Suite app is successful. A Sign in to LEXUS App Suite app is not successful. B HINT: Contact the service provider or cellular phone manufacturer if assistance is required for resetting the customer's cellular phone. Result: 1 A RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN Result: 2 B ENFORM SERVICES ARE CURRENTLY UNAVAILABLE
  9. CHECK ENFORM SEARCH FUNCTION ON CUSTOMER'S CELLULAR PHONE Sign in to the LEXUS App Suite app on the customer's cellular phone. Start a search apps (e.g. Bing) within the LEXUS App Suite app. Check that a search can be made. Result Result Proceed to Apps search is successful. A Apps search is not successful. B Result: 1 A PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [04/2013 - ]»(ref-665845-S21116358192014102400000) Result: 2 B See step 10
  10. RECORD ERROR MESSAGES IF PRESENT Result Proceed to NEXT Result: 1 NEXT See step 11
  11. CHECK ENFORM SEARCH FUNCTION ON KNOWN GOOD CELLULAR PHONE Sign in to the LEXUS App Suite app on a known good cellular phone. Start a search apps (e.g. Bing) within the LEXUS App Suite app. Check that a search can be made. Result Result Proceed to Apps search is successful. A Apps search is not successful. B HINT: Contact the service provider or cellular phone manufacturer if assistance is required for resetting the customer's cellular phone or known good cellular phone. Result: 1 A RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN Result: 2 B RESET KNOWN GOOD CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN
  1. CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY Check if the cellular phone is compatible (Refer to http://www.lexus.com/MobileLink/). Result Result Proceed to Cellular phone is compatible. A Cellular phone is not compatible. B HINT: It is important to check the cellular phone compatibility charts carefully: Some apps may only work on cellular phones. Some apps may only work when paired to a vehicle. Some cellular phones do not support all features. Result: 2 B RECOMMEND COMPATIBLE CELLULAR PHONE Result: 1 A See step 2
  2. CONFIRM CELLULAR PHONE SIGNAL A 3G or higher connection is required for proper LEXUS App Suite functionality. If a 3G or higher connection is not available, some applications may not function properly. ("Wi-Fi" is not an approved connection for Enform services.) Result Proceed to NEXT Result: 1 NEXT See step 3
  3. CONFIRM IF THE CUSTOMER'S CELLULAR PHONE CAN BE PAIRED TO THE VEHICLE Pair the customer's cellular phone to the vehicle. Result Result Proceed to Cellular phone is not successfully paired. A Cellular phone is successfully paired. B Result: 2 B See step 5 Result: 1 A See step 4
  4. CONFIRM THAT A KNOWN GOOD CELLULAR PHONE CAN BE PAIRED TO THE VEHICLE Check that a known good cellular phone can be paired to the customer's vehicle. Result Result Proceed to Cellular phone is successfully paired. A Cellular phone is not successfully paired. B HINT: For instructions on how to reset the cellular phone, refer to the appropriate manufacturer's website. Result: 1 A RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN Result: 2 B See step 12
  5. CHECK APPS FUNCTION WHEN PAIRED Proceed to the appropriate section based on the customer concern in the table below. Result Result Proceed to Head unit data apps (e.g. internet search) do not function properly. A Head unit internet radio apps do not function properly. B HINT: This is a head unit functionality check. Ensure that a cellular phone is paired to the vehicle. Result: 2 B See step 9 Result: 1 A See step 6
  6. CHECK DATA APPS FUNCTION ON THE HEAD UNIT Make sure that the customer's cellular phone is paired with the vehicle. Start an internet search apps on the head unit. Check if a search can be made. Result Result Proceed to Head unit data apps does not function properly. A Head unit data apps functions properly. B Result: 2 B END (NO PROBLEM WAS FOUND) Result: 1 A See step 7
  7. RECORD ERROR MESSAGES IF PRESENT Result Proceed to NEXT Result: 1 NEXT See step 8
  8. CHECK ENFORM SEARCH FUNCTION ON THE HEAD UNIT USING A KNOWN GOOD CELLULAR PHONE Make sure that a known good cellular phone is paired with the vehicle. Start an internet search apps on the head unit. Check if a search can be made. Result Result Proceed to Head unit data apps functions properly. A Head unit data apps does not function properly B HINT: For instructions on how to reset the cellular phone, refer to the appropriate manufacturer's website. Result: 1 A RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN Result: 2 B See step 12
  9. CHECK INTERNET RADIO FUNCTION ON THE HEAD UNIT USING THE CUSTOMER'S CELLULAR PHONE Make sure that the customer's cellular phone is paired with the vehicle. Start an internet radio apps on the head unit. Check that the audio can be heard through the vehicle's speakers. Result Result Proceed to Head unit internet radio apps does not function properly. A Head unit internet radio apps functions properly. B Result: 2 B END (NO PROBLEM WAS FOUND) Result: 1 A See step 10
  10. RECORD ERROR MESSAGES IF PRESENT Result Proceed to NEXT Result: 1 NEXT See step 11
  11. CHECK INTERNET RADIO FUNCTION ON THE HEAD UNIT USING A KNOWN GOOD CELLULAR PHONE Make sure that a known good cellular phone is paired with the vehicle. Start an internet radio apps on the head unit. Check that the audio can be heard through the speakers. Result Result Proceed to Head unit internet radio apps does not function properly using a known good cellular phone. A Head unit internet radio apps functions properly using known good cellular phone. B HINT: For instructions on how to reset the cellular phone, refer to the appropriate manufacturer's website. Result: 2 B RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN Result: 1 A See step 12
  12. PERFORM LEXUS APP SUITE RESET PROCEDURE Perform LEXUS App Suite reset procedure. Refer to «OPERATION CHECK [04/2013 - ]»(ref-665845-S08073364552014102400000) Result Result Proceed to The problem symptom has been repaired. A The problem symptom has not been repaired. B Result: 1 A END Result: 2 B PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [04/2013 - ]»(ref-665845-S21116358192014102400000)
  1. CHECK HARNESS AND CONNECTOR Disconnect the K128 DCM (Telematics Transceiver) connector. *a Front view of wire harness connector (to DCM (Telematics Transceiver)) *b Front view of wire harness connector (to Radio Receiver Assembly) Disconnect the K127 radio receiver assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition K128-1-1 (USB-) - K127-1-1 (USB-) Always Below 1 ohms K128-1-2 (USB+) - K127-1-2 (USB+) Always Below 1 ohms K128-1-3 (USBS) - K127-1-3 (USBS) Always Below 1 ohms K128-2 (USBG) - K127-2 (USBG) Always Below 1 ohms K128-3 (VOT+) - K127-7 (VOR+) Always Below 1 ohms K128-4 (USBV) - K127-4 (USBV) Always Below 1 ohms K128-5 (VOT-) - K127-6 (VOR-) Always Below 1 ohms K128-6 (VOR-) - K127-5 (VOT-) Always Below 1 ohms K128-7 (VOR+) - K127-3 (VOT+) Always Below 1 ohms K128-1-1 (USB-) - Body ground Always 10 kohms or higher K128-1-2 (USB+) - Body ground Always 10 kohms or higher K128-1-3 (USBS) - Body ground Always 10 kohms or higher K128-2 (USBG) - Body ground Always 10 kohms or higher K128-3 (VOT+) - Body ground Always 10 kohms or higher K128-4 (USBV) - Body ground Always 10 kohms or higher K128-5 (VOT-) - Body ground Always 10 kohms or higher K128-6 (VOR-) - Body ground Always 10 kohms or higher K128-7 (VOR+) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [04/2013 - ]»(ref-665845-S21116358192014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR