RM38N0EC _56 Audio / Visual / Telematics _111822 AUDIO / VIDEO _0502892 AUDIO AND VISUAL SYSTEM U

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM  TERMINALS OF ECU  


RADIO AND DISPLAY RECEIVER ASSEMBLY


E475533N02
5.135,0.583 5.635,0.833 0.5,0.25 3.427,0.583 3.927,0.833 0.5,0.25 1.729,0.583 2.229,0.833 0.5,0.25 0.771,2.417 1.271,2.667 0.5,0.25 2.552,2.406 3.052,2.656 0.5,0.25 4.063,2.417 4.563,2.667 0.5,0.25 5.792,2.406 6.292,2.656 0.5,0.25 1.813,0.635 2.229,0.854 0.417,0.219 10 false E137 3.51,0.625 3.979,0.813 0.469,0.188 10 false E136 5.25,0.635 5.729,0.938 0.479,0.302 10 false E135 5.875,2.448 6.313,2.667 0.438,0.219 10 false E138 4.156,2.448 4.51,2.635 0.354,0.188 10 false E164 2.615,2.448 3.063,2.698 0.448,0.25 10 false E163 0.917,2.438 1.198,2.615 0.281,0.177 10 false RA

Terminal No. (Symbol) Terminal Description Condition Specified Condition

*1: w/ Panoramic View Monitor System

*2: w/ Rear View Monitor System

E137-1 (GND1) - Body ground Ground Always Below 1 Ω
E137-4 (+B1) - E137-1 (GND1) Power source (+B) Ignition switch off 10.5 to 16 V
E137-5 (REV) - E137-1 (GND1) Reverse Signal Ignition switch ON, shift position not in R → shift position in R 2 V or less → 11 to 14 V
E137-7 (PKB) - E137-1 (GND1) Parking brake signal Ignition switch ON
Parking brake released → Ignition switch ON
Parking brake applied
2 V or less → 3 V or higher
E137-8 (SPD) - E137-1 (GND1) Vehicle speed signal Wheel being rotated Waveform 1
E137-15 (IG) - E137-1 (GND1) Power source (IG) Ignition switch ON 11 to 14 V
E137-16 (ACC1) - E137-1 (GND1) Power source (ACC) Ignition switch ACC 11 to 14 V
E137-18 (CSWA) - E137-1 (GND1) Camera image transition signal Normal → camera image screen change 2 V or less → 6 V or higher
E137-20 (SWG) - E137-1 (GND1) Ground Always Below 1 Ω
E137-21 (SW1) - E137-1 (GND1) Steering pad switch signal No switch pushed → Volume- switch pushed → Volume+ switch pushed → Seek- switch pushed → Seek+ switch pushed 2.7 V or higher → approximately 2.3 V → approximately 1.6 V → approximately 1.0 V → 0.8 V or less
E137-22 (SW2) - E137-1 (GND1) Steering pad switch signal No switch pushed → Voice switch pushed → Off hook switch pushed → On hook switch pushed → MODE switch pushed 2.7 V or higher → approximately 2.3 V → approximately 1.6 V → approximately 1.0 V → 0.8 V or less
E137-25 (ILL+) - E137-1 (GND1) Illumination signal Ignition switch ON, light control switch in tail or head position 11 to 14 V
E136-5 (TMUT) - E137-1 (GND1) Mute signal Normal → Emergency call mode 2.0 V or higher → Below 1 V
E136-11 (CNH1) Local bus communication signal Service Menu -
E136-12 (CNL1) Local bus communication signal Service Menu -
E136-13 (CANH) CAN communication signal Service Menu -
E136-14 (CANL) CAN communication signal Service Menu -
E136-17 (USBG) - Body ground Ground Always Below 1 Ω
E136-18 (USBV) - E137-1 (GND1) Telematics transceiver USB power source Ignition switch ON 3 V or higher
E136-21 (MIN+) - E137-1 (GND1) Microphone voice signal Voice is being input A waveform synchronized with sound signals is output
E136-22 (MIN-) - E137-1 (GND1) Microphone voice signal ground Always Below 1 Ω
E136-24 (SGND) - Body ground Shield ground Always Below 1 Ω
E136-25 (SNS) - E137-1 (GND1) Microphone circuit open detection signal Always Below 1 Ω
E136-26 (CSLD) - E137-1 (GND1)*2 Shield ground Always Below 1 Ω
E136-27 (CGND) - E137-1 (GND1)*2 Ground Always Below 1 Ω
E136-28 (V+) - E136-29 (V-)*1*2 Video signal (analog) Ignition switch ON, shift lever in R Waveform 2
E136-29 (V-) - E137-1 (GND1)*1*2 Video signal (analog) ground Always Below 1 Ω
E136-30 (CA+) - E137-1 (GND1)*2 Rear television camera power source Ignition switch ON 5.8 to 6.5 V
E138-1 (FR+) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E138-2 (FL+) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E138-3 (RL+) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E138-4 (RR+) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E138-6 (FR-) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E138-7 (FL-) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E138-8 (RL-) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E138-9 (RR-) - E137-1 (GND1) Sound signal Audio system playing A waveform synchronized with sound signals is output
E164-1 (USB-) USB communication signal - -
E164-2 (USB+) USB communication signal - -
E164-3 (USBS) USB communication signal - -
E163-1 (USV1) Power source Ignition switch ON 4.75 to 5.25 V
E163-2 (US1-) USB communication signal - -
E163-3 (US1+) USB communication signal - -
E163-4 (UGD1) Ground Always Below 1 Ω
E163-5 (USG1) Shield ground Always Below 1 Ω
RA-1 (ANT+) Radio antenna power source Receiving radio broadcast 7 to 16 V
RA-3 (MAIN) Radio signal (MAIN) - -
RA-3a (GND) Ground - -

a.
E149152N24
2.823,1.188 3.406,1.552 0.583,0.365 10 false GND

Waveform 1

Item Content
Measurement terminal E137-8 (SPD) - E137-1 (GND1)
Measurement setting 5 V/DIV, 20 ms/DIV
Condition Wheel being rotated

HINT:

The period changes depending on the rotation speed of the wheels.



b.

Waveform 2

E241522C02
1.083,1.219 1.302,1.594 1.302,1.594 1.479,1.594 false 0.99,1.26 0.781,1.594 0.781,1.594 0.604,1.594 false 5.052,1.094 5.292,1.594 5.292,1.594 5.469,1.594 false 4.938,1.156 4.76,1.594 4.76,1.594 4.583,1.594 false 0.073,0.031 0.25,0.208 0.177,0.177 10 *a 4.052,0.031 4.229,0.208 0.177,0.177 10 *b 1.5,1.531 1.698,1.708 0.198,0.177 10 *d 0.417,1.531 0.604,1.708 0.188,0.177 10 *c 5.49,1.531 5.688,1.708 0.198,0.177 10 *d 4.406,1.531 4.594,1.708 0.188,0.177 10 *c 0.188,0.802 0.667,1.094 0.479,0.292 10 GND 4.063,0.813 4.448,1.073 0.385,0.26 10 GND
*a Waveform A *b Waveform B
*c Synchronization Signal *d Video Waveform


Item Content
Measurement terminal E136-28 (V+) - E136-29 (V-)
Measurement setting 0.2 V/DIV, 50 μS/DIV
Condition
·

Waveform A: Rear television camera assembly not covered, ignition switch ON, shift lever in R and image of the area behind the vehicle being displayed

·

Waveform B: Rear television camera assembly covered by hand etc., ignition switch ON, shift lever in R and black screen being displayed



NOTICE:
·

The video waveform changes according to the image sent by the rear television camera assembly or parking assist ECU.

·

The video waveform is constantly output when the ignition switch is turned to ACC.