Contents Section: Antenna Systems All sections

Audio System & Visual System: Diagnosis Toyota 4Runner IV рестайлинг

Antenna Systems 39 illustrations ~12186 words

HOW TO PROCEED WITH TROUBLESHOOTING

  1. VEHICLE BROUGHT TO WORKSHOP
  2. INSPECT BATTERY VOLTAGE Standard voltage: 11 to 14 V If the voltage is below 11V, recharge or replace the battery before proceeding.
  3. BASIC INSPECTION Turn the ignition switch ON. Check whether or not the radio receiver turns on. Result RESULT SPECIFICATIONS Result Proceed to Radio receiver turns on A Radio receiver does not turn on B B: Go to step 6 A: GO TO NEXT STEP
  4. CHECK FOR DTC Check for DTCs and note any codes that are output. Delete the DTCs. Recheck for DTCs by simulating the operation indicated by the DTCs. HINT: If the system cannot enter the diagnosis mode, inspect the AVC-LAN and all the components that connect to the AVC-LAN for short circuits and repair or replace the problem part. Even if the malfunction symptom is not confirmed, check the DTCs. This is because the system stores past DTCs. Check and clear past DTCs. Then check for DTCs. Result RESULT SPECIFICATIONS Result Proceed to DTC is output again A DTC Is not output B B: Go to step 6 A: GO TO NEXT STEP
  5. DIAGNOSTIC TROUBLE CODE CHART Find the output code on the «DIAGNOSTIC TROUBLE CODE CHART»(ref-280593-S09180836162008022200000) . NEXT: Go to step 8
  6. PROBLEM SYMPTOMS TABLE Refer to the «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000) . Result RESULT SPECIFICATIONS 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 See «TERMINALS OF ECU»(ref-280593-S37716308332008022200000) .
  8. ADJUST, REPAIR OR REPLACE
  9. CONFIRMATION TEST NEXT: END

Scheme 53

Scheme 53: IDENTIFICATION OF NOISE SOURCE

Scheme 54

Scheme 54

Scheme 55

Scheme 55

Scheme 56

Scheme 56

Scheme 57

Scheme 57
  1. Radio Description Radio frequency band Radio broadcasts use the radio frequency bands shown in the table below. Service area The service areas of AM and FM broadcasts are vastly different. Sometimes an AM broadcast can be received very clearly but an FM stereo cannot. FM stereo has the smallest service area, and is prone to pick up static and other types of interference such as noise. Radio reception problems HINT: In addition to static, other problems such as "phasing", "multipath", and "fade out" exist. These problems are not caused by electrical noise, but by the radio signal propagation method itself. Phasing AM broadcasts are susceptible to electrical interference and another kind of 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 the ionosphere and the other signal is received directly from the transmitter. Multipath Multipath is a type of interference created when a vehicle receives 2 radio wave signals from the same transmitter. One signal is reflected off buildings or mountains and the other signal is received directly from the transmitter. Fade out Fade out is caused by objects (buildings, mountains, and other such large obstacles) 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. Noise problem Technicians must have a clear understanding about each customer's noise complaint. Use the following table to diagnose noise problems. RADIO FREQUENCY AND NOISE OCCURRENCE CONDITION Radio Frequency Noise Occurrence Condition Presumable Cause AM Noise occurs in a specified area Foreign noise AM Noise occurs when listening to an intermittent broadcast An identical program transmitted from multiple towers can cause noise where the signals overlap AM Noise occurs only at night Music beat from a distant broadcast FM Noise occurs while driving in a specified area Multipath or phasing noise resulting from a change in FM frequency HINT: If the noise does not match the examples above, refer to the descriptions about phasing and multipath.

PROBLEM SYMPTOMS TABLE

  1. Before inspecting the suspected areas listed in the table below, check the fuse and relay.
  2. Before inspecting the suspected areas listed in the table below, check for DTCs.
  3. Methods used to verify the cause of the problem are listed in order of probability in the suspected area column. Audio Function: AUDIO FUNCTION Symptom Suspected area See Pressing power switch does not turn on system. 1. Proceed to "Pressing power switch does not turn on system" «PRESSING POWER SWITCH DOES NOT TURN ON SYSTEM»(ref-280593-S04315563532008022200000) 2. Radio receiver power source circuit «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000) 3. AVC-LAN circuit «AVC-LAN CIRCUIT»(ref-280593-S13610359232008022200000) 4. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) Panel switch does not function. 1. STEERING PAD SWITCH CIRCUIT «STEERING PAD SWITCH CIRCUIT»(ref-280593-S25352389232008022200000) 2. AVC-LAN circuit «AVC-LAN CIRCUIT»(ref-280593-S13610359232008022200000) 3. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) No sound be heard from speakers. (Audio is mute.) (10 speaker system) 1. Radio receiver power source circuit «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000) 2. Proceed to "No sound can be heard from speakers" «NO SOUND CAN BE HEARD FROM SPEAKERS»(ref-280593-S16953075502008022200000) 3. Stereo component amplifier power source circuit «STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT»(ref-280593-S11184221072008022200000) 4. Proceed to "Sound signal circuit between radio receiver and stereo component amplifier" «SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER»(ref-280593-S38537493672008022200000) 5. Speaker circuit «SPEAKER CIRCUIT»(ref-280593-S10675867272008022200000) 6. Proceed to "Mute signal circuit between radio receiver and stereo component amplifier" «MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER»(ref-280593-S23663469092008022200000) 7. Proceed to "Mute signal circuit between radio receiver and television display assembly" ( (1) ) «MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY»(ref-280593-S09254197942008022200000) 8. Woofer box speaker assembly (built-in stereo component amplifier) «ON-VEHICLE INSPECTION»(ref-280593-S14493364762008022200000) 9. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) No sound be heard from speakers. (Audio is mute.) (6 speaker system) 1. Radio receiver power source circuit «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000) 2. Proceed to "No sound can be heard from speakers" «NO SOUND CAN BE HEARD FROM SPEAKERS»(ref-280593-S16953075502008022200000) 3. Speaker circuit «SPEAKER CIRCUIT»(ref-280593-S10675867272008022200000) 4. Proceed to "Mute signal circuit between radio receiver and television display assembly" ( (1) ) «MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY»(ref-280593-S09254197942008022200000) 5. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) Sound quality is bad in all modes. (Volume is too low.) (10 speaker system) 1. Proceed to "Poor sound quality in all modes (low volume)" «POOR SOUND QUALITY IN ALL MODES (LOW VOLUME)»(ref-280593-S24115566162008022200000) 2. Speaker circuit. «SPEAKER CIRCUIT»(ref-280593-S10675867272008022200000) 3. Proceed to "Sound signal circuit between radio receiver and stereo component amplifier" «SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER»(ref-280593-S38537493672008022200000) 4. Proceed to "Mute signal circuit between radio receiver and stereo component amplifier" «MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER»(ref-280593-S23663469092008022200000) 5. Proceed to "Mute signal circuit between radio receiver and television display assembly" ( (1) ) «MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY»(ref-280593-S09254197942008022200000) 6. Woofer box speaker assembly (built-in stereo component amplifier) «ON-VEHICLE INSPECTION»(ref-280593-S14493364762008022200000) 7. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) Sound quality is bad in all modes. (Volume is too low.) (6 speaker system) 1. Proceed to "Poor sound quality in all modes (low volume)" «POOR SOUND QUALITY IN ALL MODES (LOW VOLUME)»(ref-280593-S24115566162008022200000) 2. Speaker circuit «SPEAKER CIRCUIT»(ref-280593-S10675867272008022200000) 3. Proceed to "Mute signal circuit between radio receiver and television display assembly" ( (1) ) «MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY»(ref-280593-S09254197942008022200000) 4. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) ASL does not function. (10 speaker system) Proceed to "Vehicle speed signal circuit between stereo component amplifier and combination meter" «VEHICLE SPEED SIGNAL CIRCUIT BETWEEN STEREO COMPONENT AMPLIFIER AND COMBINATION METER»(ref-280593-S24436649552008022200000) ASL does not function. (6 speaker system) Proceed to "Vehicle speed signal circuit between radio receiver and combination meter" «VEHICLE SPEED SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND COMBINATION METER»(ref-280593-S04832525382008022200000) RSE sound cannot be heard or sound quality is bad. (M) 1. Radio receiver power source circuit «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000) 2. Television display assembly power source circuit «DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY»(ref-280593-S40164437942008022200000) 3. Proceed to "Sound signal circuit between radio receiver and television display assembly" «SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY»(ref-280593-S28399051702008022200000) 4. Proceed to "Mute signal circuit between radio receiver and television display assembly" «MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY»(ref-280593-S09254197942008022200000) 5. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) 6. Television display assembly «TELEVISION DISPLAY»(ref-280593-S20139319502008022200000) External device sound cannot be heard or sound quality is bad. (Stereo jack is used.) 1. Radio receiver power source circuit «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000) 2. Proceed to "Sound signal circuit between radio receiver and stereo jack adapter" «SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO JACK ADAPTER»(ref-280593-S16822826292008022200000) 3. Stereo jack adapter «AUDIO TERMINAL»(ref-280593-S26780667592008022200000) 4. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) Abnormal noise occurs. (10 speaker system) 1. Proceed to "Noise occurs" «NOISE OCCURS»(ref-280593-S40970187312008022200000) 2. Woofer box speaker assembly (built-in stereo component amplifier) «ON-VEHICLE INSPECTION»(ref-280593-S14493364762008022200000) 3. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) Abnormal noise occurs. (6 speaker system) 1. Proceed to "Noise occurs" «NOISE OCCURS»(ref-280593-S40970187312008022200000) 2. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) Radio broadcast cannot be received or poor reception. Proceed to "Radio broadcast cannot be received or poor reception" «RADIO BROADCAST CANNOT BE RECEIVED OR POOR RECEPTION»(ref-280593-S04714590862008022200000) CD cannot be inserted/played or CD Is ejected right after insertion. 1. Radio receiver power source circuit «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000) 2. Proceed to "CD cannot be Inserted/Played or CD is Ejected Right After Insertion" «CD CANNOT BE INSERTED / PLAYED OR CD IS EJECTED RIGHT AFTER INSERTION»(ref-280593-S09147808842008022200000) CD cannot be ejected. 1. Radio receiver power source circuit «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000) 2. Proceed to "CD cannot be Ejected" «CD CANNOT BE EJECTED»(ref-280593-S39816647832008022200000) Sound quality is bad only when CD is played. (Volume is too low.) Proceed to "Sound quality is bad only when CD is played (volume is too low)" «SOUND QUALITY IS BAD ONLY WHEN CD IS PLAYED (VOLUME IS TOO LOW)»(ref-280593-S31440196452008022200000) CD sound skips. Proceed to "CD sound skips" «CD SOUND SKIPS»(ref-280593-S02630227332008022200000) Radio receiver cannot be illuminated at night. 1. Illumination circuit «ILLUMINATION CIRCUIT»(ref-280593-S37797727342008022200000) 2. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) (1) with Rear Seat Entertainment System Steering Pad Switch Function: STEERING PAD SWITCH FUNCTION Symptom Suspected area See Audio system cannot be operated with steering pad switch. 1. Steering PAD switch circuit «STEERING PAD SWITCH CIRCUIT»(ref-280593-S25352389232008022200000) 2. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000) Steering pad switch cannot be illuminated at night. 1. Illumination circuit «ILLUMINATION CIRCUIT»(ref-280593-S37797727342008022200000) 2. Radio receiver «RADIO RECEIVER»(ref-280593-S15220201162008022200000)

Scheme 58

Scheme 58: TERMINALS OF ECU

Scheme 59

Scheme 59

Scheme 60

Scheme 60
  1. RADIO RECEIVER (10 SPEAKER SYSTEM) RADIO RECEIVER (10 SPEAKER SYSTEM) Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification B (R1-1) - GND (R1-20) L-Y - BR Battery Always 10 to 14 V ILL + (R1-2) - GND (R1-20) G - BR Illumination signal Light control switch OFF --> TAIL Below 1 V --> 10 to 14 V ATX+ (R1-5) - GND (R1-20) B - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V MUTE (R1-7) - GND (R1-20) W-R - BR MUTE signal Audio system is playing --> Changing Above 3.5 V --> Below 1 V R+ (R1-8) - GND (R1-20) B - BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output L+ (R1-9) - GND (R1-20) R - BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output SLD (R1-10) - Body ground Shielded - Body ground Shield ground Always Below 1 V ACC (R1-11) - GND (R1-20) GR - BR Accessory (ON) Turn ignition switch to ACC 10 to 14V ILL- (R1-12) - GND (R1-20) W-G - BR Illumination (rheostat) signal Light control switch OFF --> TAIL Below 1 V --> Pulse generation ANT (R1-13) - GND (R1-20) B - BR Power source of antenna Radio switch ON and AM or FM 10 to 14 V ATX- (R1-15) - GND (R1-20) W - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V R-(R1-18) - GND (R1-20) W - BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output L-(R1-19) - GND (R1-20) G - BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output GND (R1-20) - Body ground BR - Body ground Ground Always Below 1 V SWG (R5-6) - GND (R1-20) W-R - BR Steering pad switch ground Always Below 1 V SW1 (R5-7) - GND (R1-20) V-W - BR Steering pad switch signal Steering pad switch not operated --> SEEK+ switch pushed --> SEEK- switch pushed --> VOL+ switch pushed --> VOL- switch pushed 4 V or more --> Approx. 0.5 V --> Approx. 0.9 V --> Approx. 2.0 V --> Approx. 3.4 V SW2 (R5-8) - GND (R1-20) Y-B - BR Steering pad switch signal Steering pad switch not operated --> MODE switch pushed 4 V or more --> Below 2.5 V ARI (R5-15) - GND (R1-20) G - BR Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output ASGN (R5-16) - GND (R1-20) Shielded - BR Shield ground Always Below 1V ALI (R5-17) - GND (R1-20) R - BR Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output AUXI (R5-19) - GND (R1-20) L - BR External device connection detection signal External device is connected Below 1 V CSLD (R4-1) - Body ground ( (1) ) Shielded - Body ground Shielded ground Always Below 1 V CDR+ (R4-2) - GND (R1-20) ( (1) ) B - BR Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDR- (R4-3) - GND (R1-20) ( (1) ) W - BR Sound signal from RSE RSE system Is playing A waveform synchronized with sounds is output CDL+ (R4-4) - GND (R1-20) ( (1) ) R - BR Sound signal from RSE RSE system Is playing A waveform synchronized with sounds Is output CDL- (R4-5) - GND (R1-20) ( (1) ) G - BR Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output MUTE (R4-6) - GND (R1-20) ( (1) ) V - BR MUTE signal from RSE RSE system is playing --> changing Above 3.5 V --> Below 1 V TXM+ (R4-9) - GND (R1-20) ( (1) ) R - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V TXM- (R4-10) - GND (R1-20) ( (1) ) G-BR AVC-LAN communication signal Turn Ignition switch to ACC 2 to 3V (1) with Rear Seat Entertainment System
  2. RADIO RECEIVER (6 SPEAKER SYSTEM) RADIO RECEIVER (6 SPEAKER SYSTEM) Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification FR+(R2-1) - GND (R2-7) LG - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output FL+ (R2-2) - GND (R2-7) P - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output ACC (R2-3) - GND (R2-7) GR - BR Accessory (ON) Turn ignition switch OFF --> ACC Below 1 V --> 10 to 14V +B (R2-4) - GND (R2-7) L-Y - BR Battery Always 10 to 14 V FR- (R2-5) - GND (R2-7) L - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output FL- (R2-6) - GND (R2-7) V - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output GND (R2-7) - Body ground BR - Body ground Ground Always Below 1 V ANT (R2-8) - GND (R2-7) B-BR Power source of antenna Radio switch ON and AM or FM 10 to 14 V ILL+ (R2-10) - GND (R2-7) G - BR Illumination signal Light control switch OFF --> TAIL or HEAD Below 1 V --> 10 to 14 V RR+ (R3-1) - GND (R2-7) R - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output RL+ (R3-2) - GND (R2-7) B - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output RR- (R3-3) - GND (R2-7) W - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output ILL- (R3-5) - GND (R2-7) W-G - BR Illumination (rheostat) signal Light control switch OFF --> TAIL or HEAD Below 1 V --> Pulse generation RL- (R3-6) - GND (R2-7) Y - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output SPD (R5-3) - GND (R2-7) V-R - BR Speed signal from combination meter Turn ignition switch to ON. Turn drive wheels slowly. Pulse generation SWG (R5-6) - GND (R2-7) W-R - BR Steering pad switch ground Always Below 1 V SW1 (R5-7) - GND (R2-7) V-W - BR Steering pad switch signal Steering pad switch not operated --> SEEK+ switch pushed --> SEEK- switch pushed --> VOL+ switch pushed --> VOL- switch pushed 4 V or more --> Approx. 0.5 V --> Approx. 0.9 V --> Approx. 2.0 V --> Approx. 3.4 V SW2 (R5-8) - GND (R2-7) Y-B - BR Steering pad switch signal Steering pad switch not operated --> MODE switch pushed 4 V or more --> Below 2.5 V ARI (R5-15) - GND (R2-7) G - BR Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output ASGN (R5-16) - GND (R2-7) Shielded - BR Shield ground Always Below 1 V ALI (R5-17) - GND (R2-7) R - BR Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output AUXI (R5-19) - GND (R2-7) L-BR External device connection detection signal External device is connected Below 1 V CSLD (R4-1) - Body ground ( (1) ) Shielded - Body ground Shield ground Always Below 1 V CDR+ (R4-2) - GND (R2-7) ( (1) ) B - BR Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDR- (R4-3) - GND (R2-7) ( (1) ) W - BR Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDL+ (R4-4) - GND (R2-7) ( (1) ) R - BR Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDL- (R4-5) - GND (R2-7) ( (1) ) G - BR Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output MUTE (R4-6) - GND (R2-7) ( (1) ) V - BR MUTE signal from RSE RSE system is playing --> changing Above 3.5 V --> Below 1 V TXM+ (R4-9) - GND (R2-7) ( (1) ) R - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V TXM- (R4-10) - GND (R2-7) ( (1) ) G - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V (1) with Rear Seat Entertainment System
  3. STEREO COMPONENT AMPLIFIER STEREO COMPONENT AMPLIFIER Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification MUTE (S22-1) - GND2 (S23-15) W-R - BR Mute signal from radio receiver Audio system is playing --> Changing Above 3.5 V --> Below 1 V L- (S22-2) - GND2 (S23-15) G - BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output L+ (S22-3) - GND2 (S23-15) R - BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output R- (S22-4) - GND2 (S23-15) W - BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output R+ (S22-5) - GND2 (S23-15) B - BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output SLD (S22-6) - Body ground Shielded - Body ground Shielded ground Always Below 1 V TX- (S22-7) - GND2 (S23-15) W - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V TX+ (S22-8) - GND2 (S23-15) B - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V SPD (S22-11) - GND2 (S23-15) V-R - BR Speed signal from combination meter Turn ignition switch to ON. Turn drive wheels slowly. Pulse generation ACC (S22-12) - GND2 (S23-15) GR - BR Accessory (ON) Turn ignition switch OFF --> ACC Below 1 V --> 10 to 14 V +B (S23-1) - GND2 (S23-15) W-L - BR Battery Always 10 to 14 V DRS+ (S23-2) - GND2 (S23-15) G-W - BR Sound signal (Rear No. 2 Speaker) Audio system is playing A waveform synchronized with sounds is output CTR+ (S23-3) - GND2 (S23-15) G - BR Sound signal (Front Center) Audio system is playing A waveform synchronized with sounds is output RL+ (S23-4) - GND2 (S23-15) B - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output RR+ (S23-5) - GND2 (S23-15) R - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output FL+ (S23-6) - GND2 (S23-15) P - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output FR+ (S23-7) - GND2 (S23-15) LG - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output WFL+ (S23-8) - GND2 (S23-15) BR - BR Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output WFR+ (S23-9) - GND2 (S23-15) L-B - BR Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output +B2 (S23-10) - GND2 (S23-15) W-L - BR Battery Always A waveform synchronized with sounds is output DRS- (S23-11) - GND2 (S23-15) BR - BR Sound signal (Rear No. 2 Speaker) Audio system is playing 10 to 14 V CTR- (S23-12) - GND2 (S23-15) G-B - BR Sound signal (Front Center) Audio system is playing A waveform synchronized with sounds is output RL- (S23-13) - GND2 (S23-15) Y - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output RR- (S23-14) - GND2 (S23-15) W - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output GND2 (S23-15) - Body ground BR - Body ground Ground Always Below 1 V GND (S23-16) - Body ground BR - Body ground Ground Always Below 1 V FL- (S23-17) - GND2 (S23-15) V - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output FR- (S23-18) - GND2 (S23-15) L - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output WFL- (S23-19) - GND2 (S23-15) G-W - BR Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output WFR- (S23-20) - GND2 (S23-15) L-R - BR Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output
  4. TELEVISION DISPLAY ASSEMBLY (See «TERMINALS OF ECU»(ref-280593-S30348028592008022200000) )

DTC CHECK / CLEAR

HINT

If the system cannot enter the diagnostic mode, inspect all AVC-LAN communication signals and repair or replace problem parts. (See AVC-LAN CIRCUIT )

Scheme 61

Scheme 61: DTC CHECK / CLEAR

Scheme 62

Scheme 62

Scheme 63

Scheme 63

Scheme 64

Scheme 64

Scheme 65

Scheme 65

Scheme 66

Scheme 66

Scheme 67

Scheme 67
  1. STARTING DIAGNOSTIC MODE Turn the ignition switch to the ACC position. Turn off the audio system. While pressing the preset switches "1" and "6" at the same time, press the "DISC" switch 3 times. HINT: A beep is emitted 3 times and the diagnostic function is activated. The system enters the all element illumination mode and the switch check mode.
  2. ALL ELEMENT ILLUMINATION MODE AND SWITCH CHECK MODE HINT: Illumination status of all switches and operations of the panel switches can be checked. Check that all elements are on. When pressing each panel switch, check that a beep is emitted. NOTE: Pressing the "SEEK TRACK UP" switch transfers the screen to the stereo jack adapter connection check screen. Check the operation of this switch by confirming the transfer of the screen.
  3. STEREO JACK ADAPTER CONNECTION CHECK MODE Press the "SEEK TRACK UP" switch. Check if the stereo jack adapter is recognized. HINT: Vehicles that do not have a stereo jack adapter also have this function. NOTE: This function is not to check connection information on an external device, but to check recognition information on a stereo jack adapter.
  4. SERVICE CHECK MODE Press the "SEEK TRACK UP" switch. HINT: For details of the service check mode, refer to 6 and 7 .
  5. FINISHING DIAGNOSTIC MODE Press the "DISC" switch for 2 seconds or more, or turn the ignition switch off.
  6. CHECK DTC HINT: Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle. Reference: In the system check mode, the system check and the diagnostic memory check are performed, and the check results are displayed in ascending order of the component codes (physical address). COMPONENT CODES (PHYSICAL ADDRESS) Terms Meaning Component code (Physical address) Three-digit code (in hexadecimal) given to each device comprising AVC-LAN. Corresponding to its function, individual symbol is provided. Logical address Two-digit code (in hexadecimal) given to each function and device unit in each device comprising AVC-LAN. Service check result display SERVICE CHECK RESULT DISPLAY REFERENCE Display Previous term Meaning Action to be taken good Good (normal) No DTCs are detected in both "System Check Mode" and "Diagnostic Memory Mode". - nCon No connection The system recognized the component when it was registered, but the component gives no response to the "Diagnostic Mode ON Request". Check the power source circuit and the communication circuit of the component indicated by the component code (physical address). ECHn Exchange One or more DTCs for "Exchange" are detected in either "System Check Mode" or "Diagnostic Memory Mode". Go to the detailed information mode to check the trouble area referring to the DTC list. CHEC Check When no DTCs are detected for "Exchange", one or more DTCs for "Check" are detected in either "System Check Mode" or "Diagnostic Memory Mode". Go to the detailed information mode to check the trouble area referring to the DTC list. OLd Old version Old DTC application is identified and DTC is detected in either "System Check Mode" or "Diagnostic Memory Mode". - nrES No response The device gives no response to any one of "System Check Mode ON Request", "System Check Result Request", and "Diagnostic Memory Request". Check the power source circuit and the communication circuit of the component indicated by the component code (physical address). Device name and physical address DEVICE NAME AND PHYSICAL ADDRESS Physical address No. Name 190 Radio receiver 440 Stereo component amplifier 1B0 Television display assembly Service check mode Press the "SEEK TRACK" switch to see the check result of each component. The component code (physical address) is displayed first, and then the check result follows. HINT: If all check results are "good", the system judges that no DTC exists. If the preset switch "1" is pressed in the service check mode, service check is performed again. This illustration is only an example and may differ in cases such as for each option part and output DTCs. Detailed information mode 1 HINT: "Detailed information mode 1" is displayed when there is no response to "System Check Result Request" and DTC is detected only in "Diagnostic Memory Request". The component device code (physical address) is displayed first, and then the check result follows. This illustration is only an example and may differ in cases such as for each option part and output DTCs. Press the preset switch "2" to go to the "Detailed Information Mode 1". Press the "SEEK TRACK" switch to display the physical address and DTC of the component. Press the preset switch "3" to go to the "Service Check Mode". Distinguish between the displays of the responses to "System Check Result Request" and "Diagnostic Memory Request". In order to distinguish the information detected in "System Check Mode" and "Diagnostic Memory Mode" in "ECHn", "CHEC", and "OLd" in "Detailed Information Mode 1", refer to the following: "SyS" is displayed before the detailed codes detected as a result of "System Check Result Request" are displayed. "COdE" is displayed before the detailed codes detected as a result of "Diagnostic Memory Request" are displayed. HINT: The response to "System Check Result Request" is the current information given from each ECU as a result of the system check. The response to "Diagnostic Memory Request" contains the information received from each ECU or stored in each ECU in the past. The response to "Diagnostic Memory Request" is the output DTCs as a result of the diagnostic memory check or the DTCs received from each ECU. "System Check Result Request (SyS)" is displayed first, and then the logical address and DTC appear in order. "Diagnostic Memory Request (COdE)" is displayed first, and then the logical address, DTC, sub-code, connection check number, and the number of occurrence appear in order. Detailed information mode 2 HINT: "Detailed information mode 2" is displayed when DTCs are detected in the responses to both "System Check Result Request" and "Diagnostic Memory Request". The component device code (physical address) is displayed first, and then the check result follows. This illustration is only an example and may differ in cases such as for each option part and output DTCs. Press the preset switch "2" to go to the "Detailed Information Mode 2". Press the "SEEK TRACK" switch to display the physical address and DTC of the component. Press the preset switch "3" to go to the "Service Check Mode". Distinguish between the displays of the responses to "System Check Result Request" and "Diagnostic Memory Request". In order to distinguish the information detected in "System Check Mode" and "Diagnostic Memory Mode" in "ECHn", "CHEC", and "OLd" in "Detailed Information Mode 2", refer to the following: "SyS" is displayed before the detailed codes detected as a result of "System Check Result Request" are displayed. "COdE" is displayed before the detailed codes detected as a result of "Diagnostic Memory Request" are displayed. HINT: The response to "System Check Result Request" is the current information given from each ECU as a result of the system check. The response to "Diagnostic Memory Request" contains the information received from each ECU or stored in each ECU in the past. The response to "Diagnostic Memory Request" is the output DTCs as a result of the diagnostic memory check or the DTCs received from each ECU. "System Check Result Request (SyS)" is displayed first, and then the logical address and DTC appear in order. "Diagnostic Memory Request (COdE)" is displayed first, and then the logical address, DTC, sub-code, connection check number, and the number of occurrence appear in order.
  7. DTC CLEAR/RECHECK Clearing All DTC Memory (when clearing all the memory of the DTCs previously detected). When the preset switch "5" is pressed for 2 seconds or more during "Service Check Mode", the DTCs for all components are cleared. ("CLR" is displayed at this time.) HINT: A beep sound is emitted once when the DTC memory is completely cleared. When the DTC memory for all the components is cleared, only the component codes (physical address) are displayed. After the DTC memory is cleared, the "Service Check Mode" is restored. Clearing Individual DTC Memory (when clearing the memory of the DTC previously detected individually). When the preset switch "5" is pressed for 2 seconds or more during "Detailed Information Mode 1" or "Detailed Information Mode 2", the DTCs for the target component are cleared. HINT: A beep sound is emitted once when the DTC memory is completely cleared. When the DTC memory is cleared, only the component code (physical address) is displayed for the target component. After the DTC memory is cleared, the "Service Check Mode" is restored. To check DTCs, press the preset switch "1" and perform the system check again. Press the preset switch "1" to perform the service check again, and check that no DTCs are displayed for all the component codes (physical address).

DIAGNOSTIC TROUBLE CODE CHART

COMMUNICATION DIAGNOSIS

DTC No.Detection ItemTrouble Area
01-21ROM ErrorRadio receiver
01-22RAM ErrorRadio receiver
01-D5Absence of Registration UnitPower source circuit of the component shown by the subcode AVC-LAN circuit between the radio receiver and the component shown by the sub-code Component shown by the subcode
01-D6No MasterRadio receiver power source circuit Power source circuit of the component which has stored this code AVC-LAN circuit between the radio receiver and the component which has stored this code Component which has stored this code Radio receiver
01-D7Connection Check ErrorRadio receiver power source circuit Power source circuit of the component which has stored this code AVC-LAN circuit between the radio receiver and the component which has stored this code Component which has stored this code Radio receiver
01-D8No Response for Connection CheckPower source circuit of the component shown by the subcode AVC-LAN circuit between the radio receiver and the component shown by the sub-code Component shown by the subcode
01-D9Last Mode ErrorPower source circuit of the component shown by the sub-code AVC-LAN circuit between the radio receiver and the component shown by the sub-code Component shown by the subcode
01-DANo Response Against ON / OFF CommandPower source circuit of the component shown by the subcode AVC-LAN circuit between the radio receiver and the component shown by the sub-code Component shown by the subcode
01-DBMode Status ErrorPower source circuit of the component shown by the subcode AVC-LAN circuit between the radio receiver and the component shown by the sub-code Component shown by the subcode
01-DCTransmission ErrorIf the same sub-code is recorded in other components, check harness for power supply and communication system of all components shown by code
01-DDMaster ResetRadio receiver power source circuit AVC-LAN circuit between the radio receiver and the component which has stored this code Radio receiver Component which has stored this code
01-DESlave ResetPower source circuit of the component shown by the subcode AVC-LAN circuit between the radio receiver and the component shown by the sub-code Component shown by the subcode
01-DFMaster ErrorRadio receiver power source circuit AVC-LAN circuit between the radio receiver and the component which has stored this code Radio receiver Component which has stored this code
01-E0Registration Complete Indication Error
01-E1Voice Processing Device ON ErrorRadio receiver power source circuit AVC-LAN circuit between the radio receiver and the component which has stored this code Radio receiver Component which has stored this code
01-E2ON / OFF Indication Parameter ErrorRadio receiver
01-E3Registration Demand Transmission
01-E4Multiple Frame Incomplete

COMMUNICATION DIAGNOSIS

DVD PLAYER

DTC No.Detection ItemTrouble Area
44-10DVD Player Mechanical ErrorTelevision display assembly
44-11DVD Insertion and Eject ErrorTelevision display assembly
44-12DVD Reading AbnormalTelevision display assembly
44-41Wrong DiscDVD Television display assembly
44-42Disc cannot be ReadDVD Television display assembly
44-43DVD-ROM AbnormalDVD Television display assembly
44-44DVD ErrorTelevision display assembly
44-45Eject ErrorTelevision display assembly
44-46Scratched / Reversed DiscDVD Television display assembly
44-47High TemperatureTelevision display assembly
44-48Excess CurrentTelevision display assembly
44-50Tray Insertion / Ejection ErrorTelevision display assembly
44-51Elevator ErrorTelevision display assembly
44-52Clamp ErrorTelevision display assembly
44-78DSP Error
44-7DDisc cannot be PlayedDVD Television display assembly
44-7ENo Playable FilesDVD Television display assembly
44-7FCopyright Protection ErrorDVD Television display assembly

DVD PLAYER

CD PLAYER

DTC No.Detection ItemTrouble Area
62-10CD Player Mechanical ErrorRadio receiver
62-11CD Insertion and Eject ErrorRadio receiver
62-12CD Reading AbnormalRadio receiver
62-41Wrong DiscCD Radio receiver
62-42Disc cannot be ReadCD Radio receiver
62-43CD-ROM AbnormalCD Radio receiver
62-44CD AbnormalRadio receiver
62-45Eject ErrorRadio receiver
62-46Scratched / Reversed DiscCD Radio receiver
62-47High TemperatureRadio receiver
62-48Excess CurrentRadio receiver
62-50Tray Insertion / Ejection ErrorRadio receiver
62-51Elevator ErrorRadio receiver
62-52Clamp ErrorRadio receiver
62-78DSP Error
62-7DDisc cannot be PlayedCD Radio receiver
62-7ENo Playable FilesCD Radio receiver
62-7FCopyright Protection ErrorCD Radio receiver

CD PLAYER

IN-DASH CD CHANGER

DTC No.Detection itemTrouble Area
63-10CD Changer Mechanical ErrorRadio receiver
63-11CD Insertion and Eject ErrorRadio receiver
63-12CD Reading AbnormalRadio receiver
63-41Wrong DiscCD Radio receiver
63-42Disc cannot be ReadCD Radio receiver
63-43CD-ROM AbnormalCD Radio receiver
63-44CD AbnormalRadio receiver
63-45Eject ErrorRadio receiver
63-46Scratched / Reversed DiscCD Radio receiver
63-47High TemperatureRadio receiver
63-48Excess CurrentRadio receiver
63-50Tray Insertion / Ejection ErrorRadio receiver
63-51Elevator ErrorRadio receiver
63-52Clamp ErrorRadio receiver
63-78DSP Error
63-7DDisc cannot be PlayedCD Radio receiver
63-7ENo Playable FilesCD Radio receiver
63-7FCopyright Protection ErrorCD Radio receiver

IN-DASH CD CHANGER

INSPECTION PROCEDURE

HINT

After the inspection is completed, clear the DTCs.

  1. REPLACE RADIO RECEIVER NEXT: END

Note. Be sure to read DESCRIPTION before performing the following procedures.

  1. CHECK "RADIO RECEIVER COMMUNICATION ERROR" IN FLOW CHART Refer to the «RADIO RECEIVER COMMUNICATION ERROR»(ref-280593-S35760134582008022200000) . NEXT: END

Note. Be sure to read DESCRIPTION before performing the following procedures.

Scheme 68

Scheme 68: INSPECTION PROCEDURE

Scheme 69

Scheme 69

Scheme 70

Scheme 70
  1. CHECK RADIO RECEIVER POWER SOURCE CIRCUIT Refer to the «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000). If the power source circuit is operating normally, proceed to the next step.
  2. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE Enter the diagnostic mode. Press the preset switch "3" to change to "Detailed Information Mode". Identify the component which has stored this code. Component Table: COMPONENTS REFERENCE Component Physical address Stereo component amplifier 440 Television display assembly 1B0 HINT: "440 (stereo component amplifier)" is the component which has stored this code in the example (Scheme 68) For details of the DTC display, refer to " «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ".
  3. CHECK POWER SOURCE CIRCUIT OF COMPONENT WHICH HAS STORED THIS CODE Inspect the power source circuit of the component which has stored this code. If the power source circuit is operating normally, proceed to the next step. Component Table: COMPONENTS REFERENCE Component Proceed to Stereo component amplifier «STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT»(ref-280593-S11184221072008022200000) Television display assembly «TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUIT»(ref-280593-S07618624022008022200000)
  4. INSPECT RADIO RECEIVER Disconnect the radio receiver connectors. Measure the resistance according to the value(s) in the table below. Standard resistance RADIO RECEIVER Tester Connection Condition Specified Condition ATX+(R1-5) - ATX - (R1-15) ( (1) ) Always 60 to 80 ohms TXM+(R4-9) - TXM - (R4-10) Always 60 to 80 ohms (1) 10 Speaker System NG: REPLACE RADIO RECEIVER OK: GO TO NEXT STEP
  5. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT WHICH HAS STORED THIS CODE) HINT: For details of the connectors, refer to " «TERMINALS OF ECU»(ref-280593-S37716308332008022200000) ". Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio receiver and the component which has stored this code. Disconnect all connectors between the radio receiver and the component which has stored this code. Check for an open or short in the AVC-LAN circuit between the radio receiver and the component which has stored this code. OK: There is no open or short circuit. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: GO TO NEXT STEP
  6. REPLACE COMPONENT WHICH HAS STORED THIS CODE Replace the component which has stored this code with a normal one and check if the same problem occurs again. OK: Same problem does not occur. NG: REPLACE RADIO RECEIVER OK: END

Note. Be sure to read DESCRIPTION before performing the following procedures.

  1. CHECK FOR DTC OF OTHER COMPONENTS Check if the component shown by the sub-code is displayed in the check result of the other components. Check if "01-DC" is output for the other components. If "01-DC" is output for any other components, check if the same physical address is displayed. Result FOR DTC OF OTHER COMPONENTS Result Proceed to "01-DC" is output and the same physical address Is displayed A "01-DC" is not output or the same physical address Is not displayed B HINT: For the list of the components shown by sub-codes, refer to «FOR DTC OF OTHER COMPONENTS»(ref-280593-S21007218222008022200000). B: Go to step 4 A: GO TO NEXT STEP
  2. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE Enter the diagnostic mode. Press the preset switch "3" to change to "Detailed Information Mode". Identify the component which has stored this code. Component Table: COMPONENTS REFERENCE CHART Component Physical address Stereo component amplifier 440 Television display assembly 1B0 Radio receiver 190 HINT: "440 (stereo component amplifier)" is the component which has stored this code in the example see scheme 25 For details of the DTC display, refer to " «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ".
  3. CHECK COMPONENT WHICH HAS STORED THIS CODE Select the component which has stored this code. Component Table: COMPONENTS REFERENCE CHART Component Proceed to Stereo component amplifier «STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR»(ref-280593-S36772734062008022200000) Television display assembly «TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR»(ref-280593-S30514012752008022200000) Radio receiver «RADIO RECEIVER COMMUNICATION ERROR»(ref-280593-S35760134582008022200000) NEXT: END
  4. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ). HINT: If "01 -PC" is output for only one component, this may not indicate a malfunction.
  5. RECHECK DTC Recheck for DTCs and check if the same trouble code occurs again. OK: Malfunction disappears. NG: Go to step 3 OK: END

Note. Be sure to read DESCRIPTION before performing the following procedures.

  1. CHECK RADIO RECEIVER POWER SOURCE CIRCUIT Refer to the «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000). If the power source circuit is operating normally, proceed to the next step.
  2. INSPECT RADIO RECEIVER Disconnect the radio receiver connectors. Measure the resistance according to the value(s) in the table below. Standard resistance RADIO RECEIVER Tester Connection Condition Specified Condition ATX+(R1-5) - ATX-(R1-15) ( (1) ) Always 60 to 80 ohms TXM+(R4-9) - TXM-(R4-10) Always 60 to 80 ohms (1) 10 Speaker System NG: REPLACE RADIO RECEIVER OK: GO TO NEXT STEP
  3. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE Enter the diagnostic mode. Press the preset switch "3" to change to "Detailed Information Mode". Identify the component which has stored this code. Component Table: COMPONENTS REFERENCE CHART Component Physical address Stereo component amplifier 440 Television display assembly 1B0 HINT: "440 (stereo component amplifier)" is the component which has stored this code in the example see scheme 27 For details of the DTC display, refer to " «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ".
  4. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT WHICH HAS STORED THIS CODE) HINT: For details of the connectors, refer to " «TERMINALS OF ECU»(ref-280593-S37716308332008022200000) ". Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio receiver and the component which has stored this code. Disconnect all connectors between the radio receiver and the component which has stored this code. Check for an open or short in the AVC-LAN circuit between the radio receiver and the component which has stored this code. OK: There is no open or short circuit. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: GO TO NEXT STEP
  5. REPLACE RADIO RECEIVER Replace the radio receiver with a normal one and check if the same problem occurs again. OK: Same problem does not occur. NG: REPLACE COMPONENT WHICH HAS STORED THIS CODE OK: END

Note. Be sure to read DESCRIPTION before performing the following procedures.

  1. CHECK RADIO RECEIVER POWER SOURCE CIRCUIT Refer to the «RADIO RECEIVER POWER SOURCE CIRCUIT»(ref-280593-S34938068072008022200000). If the power source circuit is operating normally, proceed to the next step.
  2. INSPECT RADIO RECEIVER Disconnect the radio receiver connectors. Measure the resistance according to the value(s) in the table below. Standard resistance RADIO RECEIVER Tester Connection Condition Specified Condition ATX+ (R1-5) - ATX- (R1-15) ( (1) ) Always 60 to 80 ohms TXM+ (R4-9) - TXM- (R4-10) Always 60 to 80 ohms (1) 10 Speaker System NG: REPLACE RADIO RECEIVER OK: GO TO NEXT STEP
  3. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE Enter the diagnostic mode. Press the preset switch "3" to change to "Detailed Information Mode". Identify the component which has stored this code. Component Table: COMPONENTS REFERENCE CHART Component Physical address Stereo component amplifier 440 Television display assembly 1B0 HINT: "440 (stereo component amplifier)" is the component which has stored this code in the example see scheme 30 For details of the DTC display, refer to " «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ".
  4. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT WHICH HAS STORED THIS CODE) HINT: For details of the connectors, refer to " «TERMINALS OF ECU»(ref-280593-S37716308332008022200000) ". Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio receiver and the component which has stored this code. Disconnect all connectors between the radio receiver and the component which has stored this code. Check for an open or short in the AVC-LAN circuit between the radio receiver and the component which has stored this code. OK: There is no open or short circuit. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: GO TO NEXT STEP
  5. REPLACE RADIO RECEIVER Replace the radio receiver with a normal one and check if the same problem occurs again. OK: Same problem does not occur. NG: REPLACE COMPONENT WHICH HAS STORED THIS CODE OK: END

HINT

After the inspection is completed, clear the DTCs. These DTCs do not indicate a malfunction.

HINT

After the inspection is completed, clear the DTCs.

  1. REPLACE RADIO RECEIVER NEXT: END

HINT

After the inspection is completed, clear the DTCs.

  1. REPLACE TELEVISION DISPLAY ASSEMBLY NEXT: END

HINT

After the inspection is completed, clear the DTCs.

Scheme 71

Scheme 71: INSPECTION PROCEDURE
  1. CHECK DISC Check that the disc is not deformed or cracked. OK: No deformation or cracks on the disc. NG: CHANGE DISC OK: GO TO NEXT STEP
  2. DISC CLEANING Disc cleaning If dirt is on the disc surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction. NOTE: Do not use a conventional record cleaner or anti-static preservative.
  3. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  4. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. OK: END NG: GO TO NEXT STEP
  5. REPLACE DISC WITH ANOTHER AND RECHECK Replace the disc with another and recheck. Replace the disc with another normal one. Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ). Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK IF A PROPER DVD IS INSERTED Make sure that the DVD is a video DVD or a CD with an MP3 file, and that it is not deformed, flawed, stained, burred, or otherwise defective. OK: Normal DVD or CD HINT: Translucent or uniquely-shaped DVDs or CDs cannot be played. For details on playable DVDs or CDs, refer to the Owner's Manual. NG: END OK: GO TO NEXT STEP
  2. CHANGE DISC Replace the disc with another and recheck. Replace the disc with another normal one. Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ). Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  2. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. HINT: If DTCs are detected frequently, replace the television display assembly. OK: Malfunction disappears. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK TELEVISION DISPLAY ASSEMBLY Check if a disc can be changed, inserted or ejected normally. OK: Malfunction disappears. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK THAT DISC IS INSERTED PROPERLY Check whether or not the disc is inserted upside down. OK: Disc is properly inserted. NG: INSPECT DISC OK: GO TO NEXT STEP
  2. CHECK DISC Check that the disc is not deformed or cracked. OK: No deformation or cracks on the disc. NG: CHANGE DISC OK: GO TO NEXT STEP
  3. DISC CLEANING Disc cleaning If dirt is on the disc surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction. NOTE: Do not use a conventional record cleaner or anti-static preservative.
  4. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  5. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. OK: END NG: GO TO NEXT STEP
  6. REPLACE DISC WITH ANOTHER AND RECHECK Replace the disc with another and recheck. Replace the disc with another normal one. Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ). Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK TELEVISION DISPLAY ASSEMBLY Park the vehicle in a cool place. Check that the temperature of the television display assembly becomes sufficiently low, and start the engine. Check that the malfunction disappears. OK: Malfunction disappears. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

Note. This code may be output even if there is no malfunction. If this code is output frequently, replace the television display assembly.

  1. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  2. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHANGE DISC Insert a disc with a playable file and check if the disc can be played correctly. HINT: For details on playable files and discs, refer to the Owner's Manual. OK: The disc can be played correctly. NG: REPLACE TELEVISION DISPLAY ASSEMBLY OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. REPLACE RADIO RECEIVER NEXT: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK DISC Check that the disc is not deformed or cracked. OK: No deformation or cracks on the disc. NG: CHANGE DISC OK: GO TO NEXT STEP
  2. DISC CLEANING Disc cleaning If dirt is on the disc surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction. NOTE: Do not use a conventional record cleaner or anti-static preservative.
  3. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  4. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. OK: END NG: GO TO NEXT STEP
  5. REPLACE DISC WITH ANOTHER AND RECHECK Replace the disc with another and recheck. Replace the disc with another normal one. Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ). Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK IF A PROPER CD IS INSERTED Make sure that the CD is an audio CD or a CD with an MP3 or WMA file, and that it is not deformed, flawed, stained, burred, or otherwise defective. OK: Normal CD HINT: Translucent or uniquely-shaped CDs cannot be played. CDs with adhesive paper labels should not be played. Commercial audio CDs can be played. CD-DA files on CD-ROMs, CD-Rs, and CD-RWs can be played. MP3 and WMA files on CD-ROMs, CD-Rs, and CD-RWs can be played. For details on playable CDs, refer to the Owner's Manual. NG: CHANGE DISC OK: GO TO NEXT STEP
  2. REPLACE CD WITH ANOTHER AND RECHECK Replace the CD with another and recheck. Replace the CD with another normal one. Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ). Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  2. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. HINT: If DTCs are detected frequently, replace the radio receiver. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK RADIO RECEIVER Check if a disc can be changed, inserted or ejected normally. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK THAT CD IS INSERTED PROPERLY Check whether or not the CD is inserted upside down. OK: CD is properly inserted. NG: REINSERT CD PROPERLY OK: GO TO NEXT STEP
  2. CHECK DISC Check that the disc is not deformed or cracked. OK: No deformation or cracks on the disc. NG: CHANGE DISC OK: GO TO NEXT STEP
  3. DISC CLEANING Disc cleaning If dirt is on the disc surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction. NOTE: Do not use a conventional record cleaner or anti-static preservative.
  4. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  5. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. OK: END NG: GO TO NEXT STEP
  6. REINSERT CD PROPERLY Replace the disc with another and recheck. Replace the disc with another normal one. Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ). Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHECK RADIO RECEIVER Park the vehicle in a cool place. Check that the temperature of the radio receiver becomes sufficiently low, and start the engine. Check that the malfunction disappears. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END

HINT

After the inspection is completed, clear the DTCs.

Note. These codes may be output even if there is no malfunction. If these codes are output frequently, replace the radio receiver.

  1. CLEAR DTC Clear the DTCs (See «DTC CHECK / CLEAR»(ref-280593-S16829289912008022200000) ).
  2. RECHECK DTC Recheck for DTCs and check if the same trouble occurs again. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END

HINT

After the inspection is completed, clear the DTCs.

  1. CHANGE DISC Insert a disc with a playable file and check if the disc can be played correctly. HINT: For details on playable files and discs, refer to the Owner's Manual. OK: The disc can be played correctly. NG: REPLACE RADIO RECEIVER OK: END
  1. NOISE CONDITION Check in which direction the noise comes from (front left or right, or rear left or right). Check in which direction the noise comes from. OK: The location of the noise source can be determined. NG: Go to step 3 OK: GO TO NEXT STEP
  2. CHECK SPEAKERS Check the installation conditions of the speaker units that are located near the noise source and that there are no cracks, scratches, deformation, or other failures. Result SPEAKERS Condition Proceed to A speaker Is installed Incorrectly A Foreign objects are In the speaker B A speaker cone paper Is broken C No malfunction Is found D A: REINSTALL SPEAKER B: REMOVE FOREIGN OBJECT C: REPLACE SPEAKER D: GO TO NEXT STEP
  3. CHECK NOISE CONDITIONS Check the noise condition. HINT: The radio has a noise prevention function to reduce noise when listening to the radio. If a loud noise occurs, check whether the ground at the antenna mounting base and the noise prevention unit are installed and wired correctly. NOISE CONDITION Conditions under which noise occurs Noise Source Noise increases when the accelerator pedal is depressed, but stops when the engine is stopped. Generator Noise occurs during A/C or heater operation. Blower motor Noise occurs when the vehicle accelerates rapidly on an unpaved road or after the ignition switch is turned ON or ACC. Fuel pump Noise occurs when the horn switch is pressed and released or when pressed and held. Horn Noise occurs synchronously with the blink of the turn signal. Flasher Noise occurs during window washer operation. Washer Noise occurs while the engine is running, and continues even after the engine is stopped. Water temperature sensor Noise occurs during wiper operation. Wiper Noise occurs when the brake pedal is depressed. Stop light switch Others Static electricity HINT: In the chart's left column, find the situation that matches the customer's complaint. Then, in the right column, find the part that is causing the noise. Check the noise filter on or for the part. To save time and avoid a misdiagnosis, first make sure that the noise is not coming from outside the vehicle. Noise should be removed in descending order of loudness. Setting the radio to a frequency where no signal is received may make recognition of the noise problem easier. OK: The noise source can not be determined. NG: REPAIR OR REPLACE NOISE SOURCE OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000)
  1. CHECK VEHICLE CONDITION Check that conditions in the cabin are not likely to cause condensation. HINT: This problem occurs when the cabin is humid and the temperature changes rapidly. This may produce condensation, resulting in a short circuit. OK: Condensation is not likely to be produced. NG: DRY OUT CABIN AND RECHECK CONDITION OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000)
  1. CHECK RADIO RECEIVER Check radio receiver setting. Check that the volume is not set to "0". Check that "MUTE" is off. OK: The volume is not set to "0" and "MUTE" is off. OK: END NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000)
  1. REPLACE CD WITH ANOTHER AND RECHECK Replace the CD with another one and recheck. Check if the problem recurs using another CD. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END
  1. CHECK OPERATION Press the CD EJECT switch of the radio receiver for 2 seconds or more and check that the CD is ejected. OK: CD is ejected. NG: REPLACE RADIO RECEIVER OK: GO TO NEXT STEP
  2. REPLACE CD WITH ANOTHER AND RECHECK Insert another CD and check if it is ejected. OK: CD is ejected. NG: REPLACE RADIO RECEIVER OK: END
  1. CHECK IF A PROPER CD IS INSERTED Make sure that the CD is an audio CD or a CD with an MP3 or WMA file, and that it is not deformed, flawed, stained, burred, or otherwise defective. OK: Normal CD. HINT: Translucent or uniquely-shaped CDs cannot be played. CDs with adhesive paper labels should not be played. Commercial audio CDs can be played. CD-DA files on CD-ROMs, CD-Rs, and CD-RWs can be played. MP3 and WMA files on CD-ROMs, CD-Rs, and CD-RWs can be played. For details on playable CDs, refer to the Owner's Manual. NG: CHANGE DISC OK: GO TO NEXT STEP
  2. CHECK THAT CD IS INSERTED PROPERLY Check whether or not the CD is inserted upside down. OK: CD is properly inserted. NG: REINSERT CD PROPERLY OK: GO TO NEXT STEP
  3. CHECK CD Clean the disc by wiping it with a soft cloth from the inside to the outside in a radial direction. OK: Malfunction disappears. NOTE: Do not use a conventional record cleaner or antistatic preservative. NG: Go to step 4 OK: END
  4. REPLACE CD WITH ANOTHER AND RECHECK Replace the CD with a normal one and check that the malfunction disappears. OK: Malfunction disappears. NG: REPLACE RADIO RECEIVER OK: END
  1. CHECK CD Check the CD. OK: The CD is clean. HINT: If dirt is on the CD surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction. NOTE: Do not use a conventional record cleaner or antistatic preservative. NG: CLEAN CD OK: GO TO NEXT STEP
  2. CHECK CD Check that the CD is not deformed or cracked. OK: No deformation or cracks on the CD. NG: CHANGE DISC OK: GO TO NEXT STEP
  3. CHECK OPERATION USING ANOTHER CD Check using another CD. Check if the problem recurs using another CD. OK: The problem does not occur. OK: END NG: GO TO NEXT STEP
  4. CHECK RADIO RECEIVER Check the radio receiver installation condition. Check that the radio receiver is properly installed. OK: Radio receiver is properly installed. NG: REINSTALL RADIO RECEIVER PROPERLY OK: REPLACE RADIO RECEIVER

Scheme 72

Scheme 72: INSPECTION PROCEDURE

Scheme 73

Scheme 73

Scheme 74

Scheme 74
  1. CHECK RADIO RECEIVER Check the radio's automatic station search function. Check the radio's automatic station search function by activating it. OK: The radio's automatic station search function works properly. OK: REPLACE RADIO RECEIVER NG: GO TO NEXT STEP
  2. INSPECT RADIO RECEIVER Disconnect the radio receiver connector R1 or R2. Measure the voltage according to the value(s) in the table below. Standard voltage RADIO RECEIVER Tester Connection Condition Specified Condition ANT - Body ground Ignition SW ON Radio SW ON 10 to 14 V NG: REPLACE RADIO RECEIVER OK: GO TO NEXT STEP
  3. CHECK OPTIONAL COMPONENTS Check optional components (sun-shade film, telephone antenna, etc). Check if any optional components, such as sunshade film or telephone antenna that may decrease reception capacity, are installed. OK: Optional components are installed. NOTE: Do not remove any optional components installed by the customer without his or her consent. OK: REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (See NOTE ABOVE) NG: GO TO NEXT STEP
  4. CHECK RADIO RECEIVER Preparation for check Remove the antenna plug from the radio receiver. Check for noise Turn the ignition switch to the ACC position with the radio receiver connector connected. Turn the radio on and put into AM mode. Place a screwdriver, thin wire, or other metal object on the radio receiver's antenna jack and check that noise can be heard from the speaker. OK: Noise occurs. NG: REPLACE RADIO RECEIVER OK: GO TO NEXT STEP
  5. CHECK GLASS ANTENNA Check for continuity of the antenna. HINT: Check for continuity at the center of each antenna wire as shown in the illustration. NOTE: When cleaning the glass, wipe it in the direction of the wire with a soft dry cloth. Take care not to damage the wire. Do not use detergents or glass cleaners with abrasive ingredients. When measuring voltage, wrap a piece of tin foil around the tip of the negative probe and press the foil against the wire with your finger (Scheme 74) OK: There is continuity in the antenna. NG: REPAIR GLASS ANTENNA OK: GO TO NEXT STEP
  6. CHECK ANTENNA CORD Remove the antenna plug of the radio receiver and antenna. Measure the resistance between the antenna and radio receiver to check for an open circuit in the antenna cord. Standard resistance: Below 1 ohms Measure the resistance between the antenna cord and body ground to check for a short circuit in the antenna cord. Standard resistance: 10 kohms or higher NG: REPLACE ANTENNA CORD OK: GO TO NEXT STEP
  7. REPLACE AMPLIFIER ANTENNA Replace the amplifier antenna and check if radio broadcasts can be received normally. OK: Radio broadcasts can be received. OK: NORMAL OPERATION NG: REPLACE RADIO RECEIVER
  1. CHECK AUDIO SETTINGS Set "BASS", "MID", and "TREB" to the initial values and check that sound is normal. OK: Malfunction disappears. OK: END NG: GO TO NEXT STEP
  2. COMPARE WITH ANOTHER VEHICLE OF SAME MODEL Compare with another vehicle of the same model. Compare with another vehicle of the same model which does not have trouble to see if there is any difference in the sound quality. OK: No difference is found. OK: END NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000)

Note. The vehicle is equipped with an SRS (Supplemental Restraint System) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precautionary notice for the Supplemental Restraint System (See PRECAUTION ).

Scheme 75

Scheme 75: INSPECTION PROCEDURE

Scheme 76

Scheme 76

Scheme 77

Scheme 77
  1. INSPECT RADIO RECEIVER Disconnect the radio receiver connector R5. Measure the resistance according to the value(s) in the table below. Standard resistance RADIO RECEIVER Tester Connection Condition Specified Condition SW1 - SWG No switch Is pushed Approx. 100 kohms SW1 - SWG SEEK+ switch: push Approx. 0 ohms SW1 - SWG SEEK- switch: push Approx. 0.3 kohms SW1 - SWG VOL+ switch: push Approx. 1 kohms SW1 - SWG VOL- switch: push Approx. 3.2 kohms SW2 - SWG No switch Is pushed Approx. 100 kohms SW2 - SWG MODE switch: push Approx. 0 ohms NG: Go to step 2 OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000)
  2. INSPECT STEERING PAD SWITCH LH Disconnect the steering pad switch LH connector. Measure the resistance according to the values in the table below. Standard resistance STEERING PAD SWITCH LH Tester Connection Condition Specified Condition AU1-EAU No switch is pushed Approx. 100 kohms AU1-EAU SEEK+ switch: push Approx. 0 ohms AU1 -EAU SEEK- switch: push Approx. 0.3 kohms AU1-EAU VOL+ switch: push Approx. 1 kohms AU1-EAU VOL- switch: push Approx. 3.2 kohms AU2-EAU No switch is pushed Approx. 100 kohms AU2-EAU MODE switch: push Approx. 0 ohms NG: REPLACE STEERING PAD SWITCH LH OK: GO TO NEXT STEP
  3. INSPECT SPIRAL CABLE Disconnect the steering pad switch and spiral cable connectors. Measure the resistance according to the value(s) in the table below. Standard resistance SPIRAL CABLE Tester Connection Spiral Cable Position Specified Condition EAU - EAU Center Below 1 ohms 2.5 rotations to the left 2.5 rotations to the right AU1-AU1 Center Below 1 ohms 2.5 rotations to the left 2.5 rotations to the right AU2-AU2 Center Below 1 ohms 2.5 rotations to the left 2.5 rotations to the right NOTE: The spiral cable is an important part of the SRS airbag system. Incorrect removal or installation of the spiral cable may prevent the airbag from deploying. (See «REMOVAL»(ref-280584-S29128809062008022200000) ). NG: REPLACE SPIRAL CABLE OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE - RADIO RECEIVER)

Note. The vehicle is equipped with an SRS (Supplemental Restraint System) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precautionary notice for the supplemental restraint system (See PRECAUTION ).

Scheme 78

Scheme 78: INSPECTION PROCEDURE

Scheme 79

Scheme 79

Scheme 80

Scheme 80

Scheme 81

Scheme 81

Scheme 82

Scheme 82

Scheme 83

Scheme 83
  1. CHECK ILLUMINATION Check if the illumination for the radio receiver, steering pad switch, glove box or others (hazard switch, cigarette lighter, etc.) comes on when the light control switch is turned to the HEAD or TAIL position. Result ILLUMINATION Result Proceed to Illumination comes on for all components except steering pad switch. A Illumination comes on for all components except radio receiver. B No Illumination comes on (radio receiver, hazard switch, glove box, etc). C Illumination comes on only for glove box and steering pad switch. D B: Go to step 6 C: GO TO «LIGHTING SYSTEM»(ref-280532-S31672234862008022200000) D: GO TO «COMBINATION METER SYSTEM»(ref-280568-S21283512502008022200000) A: GO TO NEXT STEP
  2. CHECK HARNESS AND CONNECTOR (BATTERY - SPIRAL CABLE) Disconnect the spiral cable connector. Measure the voltage according to the value(s) in the table below. Standard voltage BATTERY - SPIRAL CABLE Tester Connection Condition Specified Condition ILL+ - Body ground Light control SW TAIL or HEAD 10 to 14 V NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: GO TO NEXT STEP
  3. INSPECT STEERING PAD SWITCH LH Disconnect the steering pad switch connector. Connect the positive (+) lead to terminal ILL+ and the negative (-) lead to terminal EAU of the steering pad switch connector. Check if the illumination for the steering pad switch comes on. OK: Illumination for the steering pad switch comes on. NG: REPLACE STEERING PAD SWITCH LH OK: GO TO NEXT STEP
  4. INSPECT SPIRAL CABLE Disconnect the steering pad switch and spiral cable connectors. Measure the resistance according to the value(s) in the table below. Standard resistance SPIRAL CABLE Tester Connection Spiral Cable Position Specified Condition EAU-EAU Center Below 1 ohms 2.5 rotations to the left 2.5 rotations to the right ILL+ - ILL+ Center Below 1 ohms 2.5 rotations to the left 2.5 rotations to the right NOTE: The spiral cable is an important part of the SRS airbag system. Incorrect removal or installation of the spiral cable may prevent the airbag from deploying. (See «REMOVAL»(ref-280584-S29128809062008022200000) ). NG: REPLACE SPIRAL CABLE OK: GO TO NEXT STEP
  5. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE - RADIO RECEIVER) Disconnect the connectors from the radio receiver and spiral cable. Measure the resistance according to the value(s) in the table below. Standard resistance SPIRAL CABLE - RADIO RECEIVER Tester Connection Condition Specified Condition SWG - EAU Always Below 1 ohms SWG - Body ground Always 10 kohms or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000)
  6. CHECK HARNESS AND CONNECTOR (BATTERY - RADIO RECEIVER) Disconnect the radio receiver connector R1 or R2. Measure the voltage according to the value(s) in the table below. Standard voltage BATTERY - RADIO RECEIVER Tester Connection Condition Specified Condition ILL* - Body ground Light control switch TAIL or HEAD 10 to 14 V NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: GO TO NEXT STEP
  7. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - LIGHT CONTROL RHEOSTAT) Disconnect the radio receiver connector and light control rheostat connector. Measure the resistance according to the value(s) in the table below. Standard resistance RADIO RECEIVER - LIGHT CONTROL RHEOSTAT Tester Connection Condition Specified Condition ILL- - R13-3 Always Below 1 ohms ILL- - Body ground Always 10 kohms or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S30197338802008022200000)
  1. VEHICLE BROUGHT TO WORKSHOP
  2. CUSTOMER PROBLEM ANALYSIS Interview the customer and confirm the trouble. Confirm the problem by duplicating the conditions described by the customer.
  3. BASIC INSPECTION Basic inspection. Measure the battery voltage. Standard voltage: 11 to 14 V with Navigation system: Check the power supply to the radio and navigation assembly. Turn the ignition switch to the ACC position. Check whether the display appears on the radio and navigation assembly. without Navigation system: Check the power supply to the radio receiver. Turn the ignition switch to the ACC position. Check whether the display appears on the radio receiver. DISPLAY DOES NOT APPEAR (GO TO " «NAVIGATION SYSTEM»(ref-280594-S25075559892008022200000) " OR " «AUDIO AND VISUAL SYSTEM»(ref-280593-S16997677572008022200000) "). DISPLAY APPEARS (Go to step 4).
  4. PROBLEM SYMPTOMS TABLE Refer to the «PROBLEM SYMPTOMS TABLE»(ref-280593-S27709006782008022200000) .
  5. CIRCUIT INSPECTION AND PART INSPECTION
  6. IDENTIFICATION OF PROBLEM
  7. REPAIR OR REPLACE
  8. CONFIRMATION TEST NEXT: END

HINT

Inspect the "Fuse" and "Relay" before confirming the suspected area as shown in the table below.

DISPLAY FUNCTION

SymptomSuspected areaSee
Black screen (When a disc is inserted, or when the system is in the VTR mode.)1. TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUITDISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
2. AVC-LAN circuit ( (1) )AVC-LAN CIRCUIT
3. AVC-LAN circuit ( (2) )AVC-LAN CIRCUIT
4. TELEVISION DISPLAY ASSEMBLYTELEVISION DISPLAY
5. RADIO RECEIVER ( (1) )RADIO RECEIVER
6. Radio and navigation assembly ( (2) )REMOVAL
Only the DVD screen Is not displayed or not stable.1. TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUITDISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
2. TELEVISION DISPLAY ASSEMBLYTELEVISION DISPLAY
Only display screen input from an external device is not displayed or not stable.1. TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUITDISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
2. Proceed to "DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY ASSEMBLY"DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
3. VIDEO TERMINALVIDEO TERMINAL
4. TELEVISION DISPLAY ASSEMBLYTELEVISION DISPLAY
(1) without Navigation System (2) with Navigation System
(1)Without Navigation System
(2)With Navigation System

DISPLAY FUNCTION

SOUND FUNCTION

SymptomSuspected areaSee
Quality of sound from wireless headphones is poor or no sound can be heard.1. TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUITDISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
2. Wireless headphone
3. TELEVISION DISPLAY ASSEMBLYTELEVISION DISPLAY
Only DVD sound cannot be heard or the sound quality is poor.1. TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUITDISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
2. TELEVISION DISPLAY ASSEMBLYTELEVISION DISPLAY
Only sound quality input from an external device is poor or no sound can be heard.1. TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUITDISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
2. Proceed to "SOUND SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY ASSEMBLY"SOUND SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
3. VIDEO TERMINALVIDEO TERMINAL
4. TELEVISION DISPLAY ASSEMBLYTELEVISION DISPLAY

SOUND FUNCTION

REMOTE CONTROL FUNCTION

SymptomSuspected areaSee
Remote control system does not operate.1. TELEVISION DISPLAY ASSEMBLY POWER SOURCE CIRCUITDISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY
2. Proceed to "A REMOTE CONTROL SYSTEM DOES NOT OPERATE"A REMOTE CONTROL SYSTEM DOES NOT OPERATE
3. AVC-LAN circuit ( (1) )AVC-LAN CIRCUIT
4. AVC-LAN circuit ( (2) )AVC-LAN CIRCUIT
5. Remote controller
6. TELEVISION DISPLAY ASSEMBLYTELEVISION DISPLAY
(1) without Navigation System (2) with Navigation System
(1)Without Navigation System
(2)With Navigation System

REMOTE CONTROL FUNCTION

Scheme 84

Scheme 84: TERMINALS OF ECU
  1. TELEVISION DISPLAY ASSEMBLY TELEVISION DISPLAY ASSEMBLY Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification NTS4 (R18-6) - GND6 (R18-12) G - BR Display Signal External device system is playing (When VTR jack is used) Pulse generation AUXR (R18-7) - GND6 (R18-12) V - BR Sound Signal External device system is playing (When VTR jack is used) A waveform synchronized with sound is output AUXL (R18-8) - GND6 (R18-12) LG - BR Sound Signal External device system is playing (When VTR jack is used) A waveform synchronized with sound is output SGN1 (R18-9) - GND6 (R18-12) Shielded - BR Shielded ground Always Below 1 V SG3 (R18-10) - GND6 (R18-12) L - BR Ground Always Below 1 V NTS1 (R18-11) - GND6 (R18-12) P - BR Display Signal DVD image is displayed Pulse generation GND6 (R18-12) - Body ground BR - Body ground Ground Always Below 1 V TX- (R18-13) - GND6 (R18-12) G - BR AVC-LAN communication signal Ignition switch ACC 2 to 3 V TX+ (R18-14) - GND6 (R18-12) L - BR AVC-LAN communication signal Ignition switch ACC 2 to 3 V ACC4 (R18-15) - GND6 (R18-12) GR - BR Ignition (ACC) Ignition switch ACC 10 to 14 V +B2 (R18-16) - GND6 (R18-12) L-Y - BR Battery Always 10 to 14 V SGN5 (R18-22) - GND6 (R18-12) R - BR Ground Always Below 1 V SG7 (R18-23) - GND6 (R18-12) Shielded - BR Shielded ground Always Below 1 V OPEN (R18-24) - GND6 (R18-12) G - BR VTR terminal detection Always Below 1 V LMUT (R18-26) - GND6 (R18-12) V - BR Mute signal RSE system is playing Above 3.5 V LMUT (R18-26) - GND6 (R18-12) V - BR Mute signal RSE system is changing Below 1 V SG1 (R18-27) - GND6 (R18-12) Shielded - BR Shielded ground Always Below 1 V R+ (R18-28) - GND6 (R18-12) B - BR RSE sound signal RSE system is playing A waveform synchronized with sound is output R- (R18-29) - GND6 (R18-12) W - BR RSE sound signal RSE system is playing A waveform synchronized with sound is output L+ (R18-30) - GND6 (R18-12) R - BR RSE sound signal RSE system is playing A waveform synchronized with sound is output L- (R18-31) - GND6 (R18-12) G - BR RSE sound signal RSE system is playing A waveform synchronized with sound is output

Scheme 85

Scheme 85: INSPECTION PROCEDURE

Scheme 86

Scheme 86
  1. CHECK SYSTEM Check that the remote control operation of the rear system is not locked by the radio receiver or the radio and navigation assembly. Check if "Rear System Locked" appears on the television display assembly. OK: The message does not appear. NG: ENABLE THE REAR SEAT ENTERTAINMENT SYSTEM OK: GO TO NEXT STEP
  2. CHECK BATTERY (REMOTE CONTROLLER) Check the battery. Check that the dry-cell battery used for the remote controller is not depleted. OK: It is not depleted. NG: REPLACE BATTERY (REMOTE CONTROLLER) OK: GO TO NEXT STEP
  3. CLEAN TELEVISION DISPLAY ASSEMBLY (INFRARED RAY EMITTING PORTION) Clean the infrared ray emitting portion. Clean the infrared ray emitting portion on the rear display assembly. Check whether the same malfunction occurs. OK: The function returns to normal. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN «PROBLEM SYMPTOMS TABLE»(ref-280593-S27709006782008022200000) OK: END

ON-VEHICLE INSPECTION

  1. INSPECT FRONT NO. 1 SPEAKER HINT: Remove interior parts so that the front No. 1 speaker can be seen. Check the speaker installation. OK: The speaker is securely installed. If the result is not as specified, reinstall the front No. 1 speaker. Visually check the speaker. OK: The cone paper of the speaker is not torn. If the result is not as specified, replace the front No. 1 speaker. Speaker resistance check Disconnect the front No. 1 speaker connector. Measure the resistance between the terminals of the speaker. Standard resistance: 6 Speaker System: Approximately 4 ohms 10 Speaker System: 4 to 6 ohms If the result is not as specified, replace the front No. 1 speaker.
  2. INSPECT FRONT NO. 2 SPEAKER HINT: Remove interior parts so that the front No. 2 speaker can be seen. Check the speaker installation. OK: The speaker is securely installed. If the result is not as specified, reinstall the front No. 2 speaker. Visually check the speaker. OK: The cone paper of the speaker is not torn. If the result is not as specified, replace the front No. 2 speaker.

Scheme 87

Scheme 87: REMOVAL

Scheme 88

Scheme 88
  1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH LH (See «DISASSEMBLY»(ref-280533-S23534752032008022200000) )
  2. REMOVE FRONT DOOR INSIDE HANDLE BEZEL LH (See «DISASSEMBLY»(ref-280533-S23534752032008022200000) )
  3. REMOVE FRONT ARMREST ASSEMBLY LH (See «DISASSEMBLY»(ref-280533-S23534752032008022200000) )
  4. REMOVE FRONT DOOR TRIM BOARD SUB-ASSEMBLY LH (See «DISASSEMBLY»(ref-280533-S23534752032008022200000) )
  5. REMOVE FRONT NO. 1 SPEAKER Disconnect the connector. Remove the 4 screws and front No. 1 speaker.
  6. REMOVE FRONT NO. 2 SPEAKER Disconnect the connector and remove the 2 bolts. Remove the front No. 2 speaker from speaker mounting bracket No. 1.
  1. INSPECT FRONT STEREO COMPONENT SPEAKER HINT: Remove interior parts so that the front stereo component speaker can be seen. Check the speaker installation. OK: The speaker is securely installed. If the result is not as specified, reinstall the front stereo component speaker. Visually check the speaker. OK: The cone paper of the speaker is not torn. If the result is not as specified, replace the front stereo component speaker. Speaker resistance check Disconnect the front stereo component speaker connector. Measure the resistance between the terminals of the speaker. Standard resistance: 1.2 to 2.2 ohms If the result is not as specified, replace the front stereo component speaker.

Scheme 89

Scheme 89: REMOVAL
  1. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY HINT: Refer to the instructions for removal of the instrument panel sub-assembly (See «REMOVAL»(ref-280569-S23218485322008022200000) ).
  2. REMOVE FRONT STEREO COMPONENT SPEAKER Disconnect the connector. Remove the 2 screw and front stereo component speaker.
  1. INSPECT REAR SPEAKER HINT: Remove interior parts so that the rear speaker can be seen. Check the speaker installation. OK: The speaker is securely installed. If the result is not as specified, reinstall the rear speaker. Visually check the speaker. OK: The cone paper of the speaker is not torn. If the result is not as specified, replace the rear speaker. Speaker resistance check Disconnect the rear speaker connector. Measure the resistance between the terminals of the speaker. Standard resistance: 6 Speaker System: Approximately 4 ohms 10 Speaker System: Approximately 2.4 ohms If the result is not as specified, replace the rear speaker.

Scheme 90

Scheme 90: REMOVAL
  1. REMOVE REAR DOOR INSIDE HANDLE BEZEL LH (See «DISASSEMBLY»(ref-280533-S19948013102008022200000) )
  2. REMOVE REAR ARMREST ASSEMBLY LH (See «DISASSEMBLY»(ref-280533-S19948013102008022200000) )
  3. REMOVE REAR DOOR TRIM BOARD SUB-ASSEMBLY LH (See «DISASSEMBLY»(ref-280533-S19948013102008022200000) )
  4. REMOVE REAR SPEAKER Disconnect the connector. Remove the 3 screws and rear speaker.
  1. INSPECT REAR NO. 2 SPEAKER HINT: Remove interior parts so that the rear No. 2 speaker can be seen. Check the speaker installation. OK: The speaker is securely installed. If the result is not as specified, reinstall the rear No. 2 speaker. Visually check the speaker. OK: The cone paper of the speaker is not torn. If the result is not as specified, replace the rear No. 2 speaker.

Scheme 91

Scheme 91: REMOVAL
  1. REMOVE TONNEAU COVER RETRACTOR SUB-ASSEMBLY
  2. REMOVE BACK DOOR WEATHERSTRIP
  3. REMOVE DECK BOARD SUB-ASSEMBLY (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  4. REMOVE DECK BOARD ASSEMBLY (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  5. REMOVE REAR FLOOR MAT SUPPORT PLATE REAR (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  6. REMOVE DECK FLOOR BOX LH (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  7. REMOVE DECK TRIM COVER REAR (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  8. REMOVE DECK TRIM SIDE BOARD UPR LH (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  9. REMOVE SIDE TRIM BOX ASSEMBLY LH (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  10. REMOVE REAR DOOR SCUFF PLATE LH (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  11. REMOVE REAR DOOR OPENING TRIM WEATHERSTRIP LH
  12. REMOVE DECK TRIM SIDE PANEL ASSEMBLY LH (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  13. REMOVE ROOF SIDE GARNISH ASSEMBLY INNER LH (See «REMOVAL»(ref-280535-S02047796042008022200000) )
  14. REMOVE REAR NO. 2 SPEAKER Disconnect the connector. Remove the 2 bolts and rear No. 2 speaker.