Audio / Visual (Diagnostics - Introduction): Diagnosis Lexus LX J200

HOW TO PROCEED WITH TROUBLESHOOTING

HINT

Use these procedures to troubleshoot the audio and visual system.

1. VEHICLE BROUGHT TO WORKSHOP NEXT: Go to next step
2. INSPECT BATTERY VOLTAGE Standard voltage 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding. NEXT: Go to next step
3. CHECK IF SAME SYMPTOM APPEARS IN NAVIGATION SYSTEM Refer to the navigation system. RESULT Result Proceed to Symptom does not appear A Symptom appears B B --> FOLLOW NAVIGATION SYMPTOM CHART TO PERFORM TROUBLESHOOTING. Refer to «PROBLEM SYMPTOMS TABLE»(ref-385263-S40274701172011021400000) A: Go to next step
4. BASIC INSPECTION Turn the engine switch on (ACC). Check whether or not the display appears on the multi-display or display and navigation module display. RESULT Result Proceed to Display appears A Display does not appear B B --> Go to step 6 A: Go to next step
5. CHECK FOR DTC Check for DTCs and note any codes that are output. Clear the DTCs. Recheck for DTCs. Based on the DTC output in the first step, try to force output of the audio system DTC by simulating the conditions indicated by the DTC. HINT: If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal and repair or replace problem parts. Even if the malfunction symptom is not confirmed, check for DTCs as the system stores past DTCs. Refer to the detailed description on the diagnostic screen as necessary. Refer to «SYSTEM DESCRIPTION»(ref-385262-S28647305572011021400000) . Check and clear past diagnostic trouble codes. Check the diagnostic trouble code and inspect the area the code indicates. RESULT Result Proceed to DTC is not output A DTC is output B B --> Go to step 7 A: Go to next step
6. PROBLEM SYMPTOMS TABLE RESULT Result Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B B --> Go to step 8 A: Go to next step
7. OVERALL ANALYSIS AND TROUBLESHOOTING Operation check. Refer to «OPERATION CHECK»(ref-385262-S03827024692011021400000) . Terminals of ECU. Refer to «TERMINALS OF ECU»(ref-385262-S02192398962011021400000) . Inspect the front No. 1 speaker. Refer to «INSPECTION»(ref-385264-S27919753012011021400000) . Inspect the front No. 2 speaker. Refer to «INSPECTION»(ref-385264-S06300344322011021400000) . Inspect the front No. 3 speaker. Refer to «INSPECTION»(ref-385264-S05433355742011021400000) . Inspect the front No. 4 speaker. Refer to «INSPECTION»(ref-385264-S06300344322011021400000) . Inspect the No. 1 woofer box speaker. Refer to «INSPECTION»(ref-385264-S30656510462011021400000) . Inspect the rear speaker set. Refer to «INSPECTION»(ref-385264-S01283132962011021400000) . Inspect the rear No. 2 speaker. Refer to «INSPECTION»(ref-385264-S01283132962011021400000) . Inspect the rear No. 3 speaker. Refer to «INSPECTION»(ref-385264-S01283132962011021400000) . Inspect the rear header speaker. Refer to «INSPECTION»(ref-385264-S05232631272011021400000) . Inspect the steering pad switch. Refer to «INSPECTION»(ref-385228-S00067821222011021400000) . NEXT: Go to next step
8. ADJUST, REPAIR OR REPLACE NEXT --> END

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1. RADIO WAVE BAND Radio frequency band Radio broadcasts use the radio frequency bands shown in the table below.
2. SERVICE AREA The broadcast range for AM and FM is very different. Sometimes an AM broadcast can be received very clearly but FM stereo cannot. FM stereo has the smallest service area, and is prone to picking up static and other types of interference (for example, noise).
3. RECEPTION PROBLEMS HINT: Besides the problem of static, there are other problems, such as "phasing", "multipath" and "fade out". These problems are caused by the nature of the radio waves themselves, not by electrical noise. AM broadcasts are susceptible to electrical interference called phasing. Occurring only at night, phasing is the interference created when a vehicle receives 2 radio wave signals from the same transmitter. One signal is reflected off of the ionosphere and the other signal is received directly from the transmitter. Multipath is a type of interference created when a vehicle receives 2 radio wave signals from the same transmitter. One signal is reflected off of buildings or mountains and the other signal is received directly from the transmitter. Fade out is caused by objects (buildings, mountains, etc.) that deflect away part of a signal, resulting in a weaker signal when the object is between the transmitter and vehicle. High frequency radio waves, such as FM broadcasts, are easily deflected by obstructions. Low frequency radio waves, such as AM broadcasts, are much more difficult to deflect.
4. NOISE PROBLEMS Technicians must have a clear understanding about the noise problems of the vehicle of the customer. Use the following table to diagnose the problems. Radio Wave Condition in Which Noise Occurs Presumable Cause AM Noise occurs in a specific area Strong possibility of foreign noise AM Noise occurs when broadcasting is weak Same program may be broadcasted from various local stations If the program is the same, one of those may be tuned in AM Noise occurs only at night Strong possibility of beats from distant broadcasting FM Noise occurs at a specific place during driving Strong possibility of multipath noise and fading noise caused by changes of FM frequency HINT: When the noise does not match the examples above, refer to "Reception Problems". Check the descriptions about phasing and multipath.

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1. Check Display Check mode HINT: This mode checks the color display on the multi-display. Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be exactly the same as on the actual vehicle. Enter diagnostic mode. Refer to «DTC CHECK / CLEAR»(ref-385262-S11806598312011021400000) . Select "Display Check" from the "Diagnosis Menu" screen. Color Bar Check Select "Color Bar Check" from the "Display Check" screen. Select a color bar from the "Color bar Check Mode" screen. Check the display color. HINT: The entire screen turns to the color or stripe selected. Touch the display to return to the "Color Bar Check Mode" screen. Touch Switch Check Select "Touch Switch Check" from the "Display Check" screen. Touch the display anywhere in the open area to perform the check when the "Touch Switch Check" screen is displayed. HINT: A "+" mark is displayed where the display is touched. Panel Switch Check Select "Panel Switch Check" from the "Display Check" screen. Operate each switch and check that the switch name and condition are correctly displayed. Display Contents *1: Operated switch name Name of the operated switch is displayed. If more than one switch is operated, "MULTIPLE" is displayed. *2: Operated switch direction Direction the switch is turned is displayed. Vehicle Signal Check Select "Vehicle Signal Check" from the "Display Check" screen. When the "Vehicle Signal Check Mode" screen is displayed, check all the vehicle signal conditions. HINT: Only conditions having inputs are displayed. This screen is updated once per second when input signals to the vehicle are changed. For details of this function, refer to Diagnosis Display Detailed Description in the System Description. Refer to «SYSTEM DESCRIPTION»(ref-385262-S28647305572011021400000) . CAN Check Select "CAN Check" from the "Display Check" screen. Check the CAN CONNECTION CHECK result. This function operates only for the systems connected to the CAN system. For details of this function, refer to Diagnosis Display Detailed Description in the System Description. Refer to «SYSTEM DESCRIPTION»(ref-385262-S28647305572011021400000) .
2. Check "Bluetooth" TEL Check HINT: Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be exactly the same as on the actual vehicle. Enter diagnostic mode. Refer to «DTC CHECK / CLEAR»(ref-385262-S11806598312011021400000) . Select ""Bluetooth" TEL Check" from the "Diagnosis MENU" screen. "Bluetooth" Check Select ""Bluetooth" Check" from the ""Bluetooth" Handsfree Check Menu" screen. Select "Serial Communication Log" from the ""Bluetooth" Check Menu" screen. The communication log data in the multi-display is displayed on this screen. HINT: The displayed data can be used as a reference. Select "Software Version" from the ""Bluetooth" Check Menu" screen. Check the software version of the "Bluetooth" module. SCREEN DESCRIPTION Display Contents *1: General Version Overall software version of "Bluetooth" module If any of the API version, upper stack version, and lower stack version is updated, the general version is upgraded. *2: API Version API software version is displayed. *3: Upper Stack Version Upper Stack version is displayed. *4: Lower Stack Version Lower Stack version is displayed. HINT: This function is controlled by the display and navigation module display. Handsfree Voice Quality Set Select "Handsfree Voice Quality Set" from the ""Bluetooth" Handsfree Check Menu" screen. Check the handsfree voice level. SCREEN DESCRIPTION Display Contents *1: Received voice level adjustment Setting possible for the voice level received from "Bluetooth" compatible phones. *2: Sent voice level adjustment Setting possible for the voice level sent to "Bluetooth" compatible phones. HINT: This function is controlled by the display and navigation module display. NOTE: "Voice Quality Type" should not be changed.

PROBLEM SYMPTOMS TABLE

HINT

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

AUDIO FUNCTION

DISPLAY FUNCTION

STEERING PAD SWITCH FUNCTION

BLUETOOTH FUNCTION

1. *1: w/ Navigation System
2. *2: w/o Navigation System

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1. CHECK DISPLAY AND NAVIGATION MODULE DISPLAY*1, MULTI-DISPLAY*2 *1: w/ Navigation System *2: w/o Navigation System Disconnect the F28 display connector. Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F28-1 (+B1) - F28-10 (GND1) R - W-B Battery Always 11 to 14 V F28-2 (ACC) - F28-10 (GND1) GR - W-B Accessory (ON) Engine switch off Below 1 V F28-2 (ACC) - F28-10 (GND1) GR - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V F28-3 (IG) - F28-10 (GND1) G - W-B Ignition (ON) Engine switch off Below 1 V F28-3 (IG) - F28-10 (GND1) G - W-B Ignition (ON) Engine switch on (IG) 11 to 14 V F28-10 (GND1) - Body ground W-B - Body ground Ground Always Below 1 ohms If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the F28 display connector. Measure the voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F27-1 (TX-) - F28-10 (GND1) L - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F27-2 (TX+) - F28-10 (GND1) W - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F27-3 (TX2-) - F28-10 (GND1) L - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F27-4 (TX2+) - F28-10 (GND1) W - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F27-5 (TSW-) - F28-10 (GND1) BR - W-B Telephone relation switch signal Always Below 1 V F27-9 (MACC) - F28-10 (GND1)*1 Y - W-B Microphone amplifier power supply Engine switch off Below 1 V F27-9 (MACC) - F28-10 (GND1)*1 Y - W-B Microphone amplifier power supply Engine switch on (IG) 5 V F27-10 (MIN-) - F28-10 (GND1) R - W-B Microphone voice signal See "Mic & Voice Recognition Check". Refer to «OPERATION CHECK»(ref-385263-S21897229482011021400000) - F27-11 (MIN+) - F28-10 (GND1) G - W-B Microphone voice signal See "Mic & Voice Recognition Check". Refer to «OPERATION CHECK»(ref-385263-S21897229482011021400000) - F27-12 (SGND) - F28-10 (GND1) BR - W-B Signal ground Always Below 1 V F27-13 (CA+) - F28-10 (GND1)*2 B - W-B Television camera power supply Engine switch on (IG), shift lever moved to R 5.8 to 6.5 V F27-14 (CGND) - Body ground*2 W - Body ground Ground Always Below 1 V F27-21 (IVO-) - F28-10 (GND1) B - W-B Voice guidance signal Voice guidance provided Waveform synchronized with sounds is output F27-22 (IVO+) - F28-10 (GND1) W - W-B Voice guidance signal Voice guidance provided Waveform synchronized with sounds is output F27-23 (SLD) - F28-10 (GND1) Shielded - W-B Shielded ground Always Below 1 V F27-27 (V+) - F27-14 (CGND)*2 R - W Television camera image signal Engine switch on (IG), shift lever moved to R Pulse generation (refer to waveform 1) F27-28 (V-) - F27-14 (CGND)*2 Shielded - W Shielded ground Always Below 1 V F28-5 (HILL) - F28-10 (GND1) W - W-B Illumination signal Light control switch off Below 1 V F28-5 (HILL) - F28-10 (GND1) W - W-B Illumination signal Light control switch on 11 to 14 V F28-7 (TC) - F28-10 (GND1) V - W-B Diagnosis ON signal Engine switch on (IG) 9 to 14 V F28-8 (HAZ) - F28-10 (GND1) O - W-B Hazard warning signal Hazard warning switch off Below 1 V Hazard warning switch on 11 to 14 V F28-9 (ARON) - F28-10 (GND1) W - W-B Front passenger side airbag ON/OFF indicator signal Passenger airbag ON/OFF indicator off Below 2 V Passenger airbag ON/OFF indicator on 11 to 14 V F28-12 (ILL+) - F28-10 (GND1) G - W-B Illumination signal Light control switch off Below 1 V F28-12 (ILL+) - F28-10 (GND1) G - W-B Illumination signal Light control switch on 11 to 14 V F28-13 (REV) - F28-10 (GND1) L - W-B Reverse signal See "Vehicle Signal Check" Mode. Refer to «OPERATION CHECK»(ref-385263-S21897229482011021400000) - F28-14 (SPD) - F28-10 (GND1) V - W-B Speed signal from combination meter See "Vehicle Signal Check" Mode. Refer to «OPERATION CHECK»(ref-385263-S21897229482011021400000) - F28-20 (AIR) - F28-10 (GND1) B - W-B Front passenger side airbag ON/OFF indicator signal Passenger airbag ON/OFF indicator off Below 2 V Passenger airbag ON/OFF indicator on 10.5 to 16 V F28-21 (PBEW) - F28-10 (GND1) Y - W-B Passenger seat belt signal Passenger seat occupied, seat belt fastened 11 to 14 V Passenger seat occupied, seat belt unfastened Below 2 V F28-23 (PKB) - F28-10 (GND1) Y - W-B Parking brake signal See "Vehicle Signal Check" Mode. Refer to «OPERATION CHECK»(ref-385263-S21897229482011021400000) - F28-24 (HFOF) - F28-10 (GND1) B - W-B Phone mute Engine switch on (IG) 3.3 to 5.0 V F29-1 (VV+) - F28-10 (GND1) W - W-B DVD image signal DVD played on radio receiver Pulse generation (refer to waveform 2) F29-4 (VV-) - F28-10 (GND1) B - W-B Signal ground Always Below 1 V F34-1 (FR+) - F28-10 (GND1)*3, *4, *5 B - W-B Sound signal (right) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-2 (FR-) - F28-10 (GND1)*3, *4, *5 W - W-B Sound signal (right) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-3 (FL+) - F28-10 (GND1)*3, *4, *5 L - W-B Sound signal (left) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-4 (FL-) - F28-10 (GND1)*3, *4, *5 R - W-B Sound signal (left) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-5 (SLD1) - F28-10 (GND1)*3, *4, *5 Shielded - W-B Shielded ground Always Below 1 V F34-7 (MUT2) - F28-10 (GND1)*3, *5 B - W-B Mute signal Sound library playing --> Changing mode 3.5 V or higher --> Below 1 V F34-8 (MUTE) - F28-10 (GND1)*3, *4, *5 G - W-B Mute signal Sound library playing --> Changing mode 3.5 V or higher --> Below 1 V F34-9 (RL-) - F28-10 (GND1)*3, *5 G - W-B Sound signal (right) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-10 (RL+) - F28-10 (GND1)*3, *5 R - W-B Sound signal (right) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-11 (RR-) - F28-10 (GND1)*3, *5 W - W-B Sound signal (left) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-12 (RR+) - F28-10 (GND1)*3, *5 B - W-B Sound signal (left) Engine switch on (ACC), audio system playing Waveform synchronized with sounds is output F34-13 (SGD2) - F28-10 (GND1)*3, *5 Shielded - W-B Shielded ground Always Below 1 V F35-2 (TXO+) - F28-10 (GND1)*5 B - W-B AVC-LAN plus communication signal Engine switch on (ACC) - F35-3 (TXI+) - F28-10 (GND1)*5 B - W-B AVC-LAN plus communication signal Engine switch on (ACC) - F35-5 (TXO-) - F28-10 (GND1)*5 W - W-B AVC-LAN plus communication signal Engine switch on (ACC) - F35-6 (TXI-) - F28-10 (GND1)*5 W - W-B AVC-LAN plus communication signal Engine switch on (ACC) - F40-1 (GVIF) - F28-10 (GND1)*2 B - W-B Digital image signal - - F42-1 (GVIF) - F28-10 (GND1)*3, *5 B - W-B Digital image signal - - F46-1 (IEEE) - F28-10 (GND1)*5 B - W-B IEEE signal Engine switch on (ACC) If the result is not as specified, the display and navigation module display or multi-display may have a malfunction. *1: w/o LEXUS Link System *2: w/ Wide View Front and Side Monitor System *3: for DVD Changer Models *4: w/ SDARS System *5: w/ Navigation System Using an oscilloscope, check waveform 1. WAVEFORM 1 (REFERENCE) Item Content Terminal No. (Symbol) F27-27 (V+) - F27-14 (CGND) Tool Setting 0.2 V/DIV., 0.2 μs/DIV. Condition Engine switch on (IG), shift lever moved to R Using an oscilloscope, check waveform 2. WAVEFORM 2 (REFERENCE) Item Content Terminal No. (Symbol) F29-1 (VV+) - F28-10 (GND1) Tool Setting 0.2 V/DIV., 0.2 μs/DIV. Condition Disc played on radio receiver
2. CHECK RADIO RECEIVER (for DVD Changer Models) Disconnect the F1 receiver connector. Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F1-1 (B) - F1-20 (GND) L - BR Battery Always 11 to 14 V F1-20 (GND) - Body ground BR - Body ground Ground Always Below 1 ohms F1-11 (ACC) - F1-20 (GND) GR - BR Accessory (ON) Engine switch off Below 1 V F1-11 (ACC) - F1-20 (GND) GR - BR Accessory (ON) Engine switch on (ACC) 11 to 14 V If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the F1 receiver connector. Measure the resistance, waveform and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F1-2 (ILL+) - F1-20 (GND) G - BR Illumination signal Engine switch on (IG), light control switch off Below 1 V F1-2 (ILL+) - F1-20 (GND) G - BR Illumination signal Engine switch on (IG), light control switch tail or on 11 to 14 V F1-7 (MUTE) - F1-20 (GND) B - BR Mute signal Audio system playing --> changing modes 3.5 V or higher --> Below 1 V F1-8 (R+) - F1-20 (GND) B - BR Sound signal (right) Audio system playing Waveform synchronized with sound is output F1-9 (L+) - F1-20 (GND) R - BR Sound signal (left) Audio system playing Waveform synchronized with sound is output F1-18 (R-) - F1-20 (GND) W - BR Sound signal (right) Audio system playing Waveform synchronized with sound is output F1-19 (L-) - F1-20 (GND) G - BR Sound signal (left) Audio system playing Waveform synchronized with sound is output F1-10 (SLD) - F1-20 (GND) Shielded - BR Shielded ground Always Below 1 V F24-5 (CDL-) - F1-20 (GND)*1*2 R - BR Sound signal (left) RSE system playing Waveform synchronized with sound is output F24-4 (CDL+) - F1-20 (GND)*1*2 L - BR Sound signal (left) RSE system playing Waveform synchronized with sound is output F24-3 (CDR-) - F1-20 (GND)*1*2 W - BR Sound signal (right) RSE system playing Waveform synchronized with sound is output F24-2 (CDR+) - F1-20 (GND)*1*2 B - BR Sound signal (right) RSE system playing Waveform synchronized with sound is output F24-6 (MUTE) - F1-20 (GND)*1*2 G - BR Mute signal RSE system playing --> changing modes 3.5 V or higher --> Below 1 V F23-18 (R-L-) - F1-20 (GND)*1*2 R - BR Sound signal (left) RSE system playing Waveform synchronized with sound is output F23-17 (R-L+) - F1-20 (GND)*1*2 L - BR Sound signal (left) RSE system playing Waveform synchronized with sound is output F23-16 (R-R-) - F1-20 (GND)*1*2 W - BR Sound signal (right) RSE system playing Waveform synchronized with sound is output F23-15 (R-R+) - F1-20 (GND)*1*2 B - BR Sound signal (right) RSE system playing Waveform synchronized with sound is output F23-14 (RSLD) - Body ground*1*2 Shielded - Body ground Ground Always Below 1 V F23-19 (RMUT) - F1-20 (GND)*1*2 G - BR Mute signal RSE system playing --> changing modes 3.5 V or higher --> Below 1 V F25-7 (SLD2) - Body ground*1 Shielded - Body ground Ground Always Below 1 ohms F25-6 (SGD4) - F1-20 (GND)*1 W - BR Ground Always Below 1 ohms F25-5 (NTRO) - F1-20 (GND)*1 B - BR Display signal DVD image playing Pulse generation F1-12 (ILL-) - F1-20 (GND) W - BR Illumination signal Engine switch off Below 1 V F1-12 (ILL-) - F1-20 (GND) W - BR Illumination signal Engine switch on (IG) Pulse generation F23-9 (TX+) - F1-20 (GND) W - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F23-10 (TX-) - F1-20 (GND) L - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F1-5 (ATX+) - F1-20 (GND) R - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F1-15 (ATX-) - F1-20 (GND) W - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F24-9 (TXM+) - F1-20 (GND)*2 G - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F24-10 (TXM-) - F1-20 (GND)*2 R - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F30-3 (TX1+) - F1-20 (GND)*2 B - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F30-6 (TX1-) - F1-20 (GND)*2 W - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F30-2 (TX0+) - F1-20 (GND)*3 B - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F30-5 (TX0+) - F1-20 (GND)*3 W - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F1-13 (ANT) - F1-20 (GND) P - BR Power source of antenna Radio switch on and AM or FM 11 to 14 V F23-6 (SWG) -F1-20 (GND) W - BR Steering pad switch ground Always Below 1 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch not pushed 4 V or higher F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch seek+ switch pushed Below 0.5 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch seek- switch pushed 0.8 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch vol+ switch pushed 1.8 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch vol- switch pushed 3.0 V F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch not pushed 4 V or higher F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch MODE switch pushed Below 0.5 V F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch on hook switch pushed 0.9 V F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch off hook switch pushed 1.5 V F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch voice recognition switch pushed 3.0 V F25-1 (NTSC) - F1-20 (GND) W - BR DVD image signal DVD played Pulse generation «WAVEFORM 1 (REFERENCE)»(ref-385262-S25195355292011021400000) F25-2 (GND) - F1-20 (GND) B - BR Ground Always Below 1 V F25-3 (SLD) - F1-20 (GND) Shielded - BR Shielded ground Always Below 1 V F26-2 (ARI) - F1-20 (GND) W - BR Sound signal (right) External device playing (When stereo jack used) Waveform synchronized with sound is output F26-5 (ASGN) - F1-20 (GND) R - BR Ground Always Below 1 V F26-4 (AGND) - F1-20 (GND) Shielded - BR Shielded ground Always Below 1 V F26-3 (ALI) - F1-20 (GND) B - BR Sound signal (left) External device playing (When stereo jack used) Waveform synchronized with sound is output F26-6 (AUXI) - F1-20 (GND) V - BR External device connection detection signal External device connected Below 1 V F44-1 (DVD) - F1-20 (GND) # - BR Digital image signal DVD played on radio receiver - If the result is not as specified, the receiver may have a malfunction. *1: w/ Rear Seat Entertainment System *2: w/ SDARS System *3: w/ Navigation System #: There is no wire color information. Using an oscilloscope, check the waveform. WAVEFORM 1 (REFERENCE) Item Content Terminal No. (Symbol) F25-1 (NTSC) - Body ground Tool Setting 200 mV/DIV., 10 μsec./DIV. Condition DVD displayed on multi-display
3. CHECK RADIO RECEIVER (for CD Changer Models) Disconnect the F1 receiver connector. Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F1-1 (B) - F1-20 (GND) L - BR Battery Always 11 to 14 V F1-20 (GND) - Body ground BR - Body ground Ground Always Below 1 ohms F1-11 (ACC) - F1-20 (GND) GR - BR Accessory (ON) Engine switch off Below 1 V F1-11 (ACC) - F1-20 (GND) GR - BR Accessory (ON) Engine switch on (ACC) 11 to 14 V If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the F1 receiver connector. Measure the voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F1-2 (ILL+) - F1-20 (GND) G - BR Illumination signal Engine switch on (IG), light control switch off Below 1 V F1-2 (ILL+) - F1-20 (GND) G - BR Illumination signal Engine switch on (IG), light control switch tail or on 11 to 14 V F1-7 (MUTE) - F1-20 (GND) B - BR Mute signal Audio system playing --> changing modes 3.5 V or higher --> Below 1 V F1-8 (R+) - F1-20 (GND) B - BR Sound signal (right) Audio system playing Waveform synchronized with sound is output F1-9 (L+) - F1-20 (GND) R - BR Sound signal (left) Audio system playing Waveform synchronized with sound is output F1-18 (R-) - F1-20 (GND) W - BR Sound signal (right) Audio system playing Waveform synchronized with sound is output F1-19 (L-) - F1-20 (GND) G - BR Sound signal (left) Audio system playing Waveform synchronized with sound is output F1-12 (ILL-) - F1-20 (GND) W - BR Illumination signal Engine switch off Below 1 V F1-12 (ILL-) - F1-20 (GND) W - BR Illumination signal Engine switch on (IG) Pulse generation F1-5 (ATX+) - F1-20 (GND) R - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F1-15 (ATX-) - F1-20 (GND) W - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F23-9 (TX+) - F1-20 (GND) W - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F23-10 (TX-) - F1-20 (GND) L - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F24-9 (TXM+) - F1-20 (GND)* G - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F24-10 (TXM-) - F1-20 (GND)* R - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F1-13 (ANT) - F1-20 (GND) P - BR Power source of antenna Radio switch on and AM or FM 11 to 14 V F23-6 (SWG) - F1-20 (GND) W - BR Steering pad switch ground Always Below 1 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch not pushed 4 V or higher F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch seek+ switch pushed Below 2.5 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch seek- switch pushed Below 0.9 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch vol+ switch pushed Below 1.5 V F23-7 (SW1) - F1-20 (GND) L - BR Steering pad switch signal Steering pad switch vol+ switch pushed Below 0.9 V F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch not pushed 4 V or higher F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch MODE switch pushed Below 2.5 V F23-8 (SW2) - F1-20 (GND) P - BR Steering pad switch signal Steering pad switch DISP switch pushed Below 2.5 V F23-15 (ARI) - F1-20 (GND) W - BR Sound signal (right) External device playing (When stereo jack used) Waveform synchronized with sound is output F23-16 (ASGN) - F1-20 (GND) R - BR Ground Always Below 1 V F23-18 (AGND) - F1-20 (GND) Shielded - Body ground Shielded ground Always Below 1 V F23-17 (ALI) - F1-20 (GND) B - BR Sound signal (left) External device playing (When stereo jack used) Waveform synchronized with sound is output F23-19 (AUXI) - F1-20 (GND) V - BR External device connection detection signal External device connected Below 1 V If the result is not as specified, the receiver may have a malfunction. *: w/ SDARS System
4. CHECK STEREO COMPONENT AMPLIFIER (for DVD Changer Models) Disconnect the F18 and F2 amplifier connectors. Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F2-2 (GND) - Body ground W-B - Body ground Ground Always Below 1 ohms F2-6 (GND2) - Body ground W-B - Body ground Ground Always Below 1 ohms F2-1 (+B) - F2-2 (GND) L - W-B Battery Always 11 to 14 V F2-3 (+B2) - F2-2 (GND) L - W-B Battery Always 11 to 14 V F18-12 (ACC) - F2-2 (GND) GR - W-B Accessory (ON) Engine switch off Below 1 V F18-12 (ACC) - F2-2 (GND) GR - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the F18 and F2 amplifier connectors. Measure the voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F3-3 (CTR+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F3-9 (CTR-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-2 (FL+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-6 (FL-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-8 (FR+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-7 (FR-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F3-4 (RL+) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F3-10 (RL-) - F2-2 (GND) Y - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-1 (RR+) - F2-2 (GND) R - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-5 (RR-) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F3-1 (WF1+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F3-6 (WF1-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F18-15 (II1+) - F2-2 (GND) W - W-B Voice guidance signal Voice guidance playing Waveform synchronized with sound is output F18-14 (II1-) - F2-2 (GND) B - W-B Voice guidance signal Voice guidance playing Waveform synchronized with sound is output F18-11 (SPD) - F2-2 (GND) V - W-B Speed signal Engine switch on (IG), drive wheels turned slowly Pulse generation F18-1 (MUTE) - F2-2 (GND) B - W-B Mute signal Audio system playing --> change mode 3.5 V or higher --> Below 1 V F18-24 (TMUT) - F2-2 (GND) B - W-B Mute signal Audio system playing --> emergency call made 3.5 V or higher --> Below 1 V F18-8 (TX+) - F2-2 (GND) R - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F18-7 (TX-) - F2-2 (GND) W - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F18-5 (R+) - F2-2 (GND) B - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F18-4 (R-) - F2-2 (GND) W - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F18-3 (L+) - F2-2 (GND) R - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F18-2 (L-) - F2-2 (GND) G - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F31-3 (R-L+) - F2-2 (GND) W - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F31-9 (R-L-) - F2-2 (GND) B - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F31-4 (R-R+) - F2-2 (GND) W - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F31-10 (R-R-) - F2-2 (GND) B - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F4-2 (SL+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F4-7 (SL-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F4-1 (SR+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F4-6 (SR-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F4-10 (WFL+) - F2-2 (GND) P - W-B Sound signal Audio system playing Waveform synchronized with sound is output F4-8 (WFL-) - F2-2 (GND) V - W-B Sound signal Audio system playing Waveform synchronized with sound is output F4-5 (WFR+) - F2-2 (GND) LG - W-B Sound signal Audio system playing Waveform synchronized with sound is output F4-11 (WFR-) - F2-2 (GND) L - W-B Sound signal Audio system playing Waveform synchronized with sound is output F43-1 (DVD) - F2-2 (GND) # - W-B Digital image signal DVD played on radio receiver - If the result is not as specified, the amplifier may have a malfunction. HINT: #: There is no wire color information.
5. CHECK STEREO COMPONENT AMPLIFIER (for CD Changer Models) Disconnect the F18 and F2 amplifier connectors. Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F2-2 (GND) - Body ground W-B - Body ground Ground Always Below 1 ohms F2-6 (GND2) - Body ground W-B - Body ground Ground Always Below 1 ohms F2-1 (+B) - F2-2 (GND) L - W-B Battery Always 11 to 14 V F18-12 (ACC) - F2-2 (GND) GR - W-B Accessory (ON) Engine switch off Below 1 V F18-12 (ACC) - F2-2 (GND) GR - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the F18 and F2 amplifier connectors. Measure the voltage and waveform according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition F3-3 (CTR+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F3-9 (CTR-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-2 (FL+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-6 (FL-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-8 (FR+) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-7 (FR-) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F18-3 (L+) - F2-2 (GND) R - W-B Sound signal Audio system playing Waveform synchronized with sound is output F18-2 (L-) - F2-2 (GND) G - W-B Sound signal Audio system playing Waveform synchronized with sound is output F18-5 (R+) - F2-2 (GND) B - W-B Sound signal Audio system playing Waveform synchronized with sound is output F18-4 (R-) - F2-2 (GND) W - W-B Sound signal Audio system playing Waveform synchronized with sound is output F18-11 (SPD) - F2-2 (GND) V - W-B Speed signal Engine switch on (IG), drive wheels turned slowly Pulse generation F18-1 (MUTE) - F2-2 (GND) B - W-B Mute signal Audio system playing --> change mode 3.5 V or higher --> Below 1 V F18-8 (TX+) - F2-2 (GND) R - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F18-7 (TX-) - F2-2 (GND) W - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V F18-5 (R+) - F2-2 (GND) B - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F18-4 (R-) - F2-2 (GND) W - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F18-3 (L+) - F2-2 (GND) R - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F18-2 (L-) - F2-2 (GND) G - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F31-3 (RL+) - F2-2 (GND) B - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F31-9 (RL-) - F2-2 (GND) Y - W-B Sound signal (left) Audio system playing Waveform synchronized with sound is output F31-4 (RR+) - F2-2 (GND) R - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F31-10 (RR-) - F2-2 (GND) W - W-B Sound signal (right) Audio system playing Waveform synchronized with sound is output F3-4 (WFL+) - F2-2 (GND) P - W-B Sound signal Audio system playing Waveform synchronized with sound is output F3-10 (WFL-) - F2-2 (GND) V - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-1 (WFR+) - F2-2 (GND) LG - W-B Sound signal Audio system playing Waveform synchronized with sound is output F31-5 (WFR-) - F2-2 (GND) L - W-B Sound signal Audio system playing Waveform synchronized with sound is output F18-15 (II1+) - F2-2 (GND) W - W-B Voice guidance signal Voice guidance provided Waveform synchronized with sound is output F18-14 (II1-) - F2-2 (GND) B - W-B Voice guidance signal Voice guidance provided Waveform synchronized with sound is output If the result is not as specified, the amplifier may have a malfunction.

DTC CHECK / CLEAR

HINT

1. Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be exactly the same as on the actual vehicle.
2. If the system cannot enter the diagnostic mode, inspect all AVC-LAN communication components and repair or replace problem parts. Refer to «AVC-LAN Circuit»(ref-385265-S11806831552011021400000) .
3. After the engine switch is turned on (IG), check that the map is displayed before starting the diagnostic mode. Otherwise, some items cannot be checked.

Scheme 64

Scheme 65

Scheme 66

Scheme 67

Scheme 68

Scheme 69

Scheme 70

Scheme 71

Scheme 72

Scheme 73

Scheme 74

Scheme 75

Scheme 76

Scheme 77

1. START DIAGNOSTIC MODE Turn the engine switch on (IG). Press the "DISP" switch. From the display quality adjustment screen, touch the corners of the screen in the following order: upper left --> lower left --> upper left --> lower left --> upper left --> lower left. The diagnostic mode starts and the "System Check Mode" screen will be displayed. Service inspection starts automatically and the result will be displayed.
2. FINISH DIAGNOSTIC MODE Turn the engine switch off.
3. DIAGNOSIS MENU Press the "Menu" switch on the "System Check Mode" screen. The "Diagnosis Menu" screen will be displayed.
4. CHECK DTC Read the system check result. If the check result is "EXCH", "CHEK" or "Old", touch the displayed check result. View the results on the "Unit Check Mode" screen and record them. When proceeding to view the results of another device, press the "Service" switch. Return to the "System Check Mode" screen. HINT: To check other items, repeat from the first step. Read the communication diagnostic check result. Return to the "System Check Mode" screen, and press the "LAN Mon" switch to enter the "LAN Monitor" screen. If the check result is "CHEK" or "Old", touch the displayed check result to view the results on the individual communication diagnostic screen and record them. HINT: If all check results are "NoErr", the system judges that no DTC is stored. The sub-code (relevant device) will be indicated by its physical address. When proceeding to view the results of another device, press the "LAN Monitor" switch to return to the original "LAN Monitor" screen. Repeat this step for each device.
5. DTC CLEAR/RECHECK Clear DTC Press the "Code CLR" switch for 3 seconds. The check results are cleared. Recheck Press the "Recheck" switch. Confirm that all diagnostic trouble codes are "OK" when the check results are displayed. If a code other than "OK" is displayed, troubleshoot again. Press the "LAN Mon" switch to change to the "LAN Monitor" screen. Confirm that all diagnostic trouble codes are "NoErr". If a code other than "NoErr" is displayed, troubleshoot again.

DIAGNOSTIC TROUBLE CODE CHART

HINT

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the table below.

AUDIO AND VISUAL SYSTEM

1. *1: w/ Navigation System
2. *2: w/o Navigation System