TERMINALS OF ECU
1. CHECK DCM (TELEMATICS TRANSCEIVER)
*a |
Connector color: Blue (to Telephone antenna) |
*b |
Connector color: Gray (to GPS antenna) |
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F39-1 (+B) - F39-4 (E) |
P - W-B |
Vehicle battery power supply |
Always |
11 to 14 V |
F39-2 (SPI+) - F39-4 (E) |
V - W-B |
Sound signal |
Audio system playing |
Waveform synchronized with sound is input |
F39-3 (SPI-) - F39-4 (E) |
P - W-B |
Sound signal |
Audio system playing |
Waveform synchronized with sound is input |
F39-4 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
F39-5 (SPO+) - F39-4 (E) |
LG - W-B |
Sound signal |
Audio system playing, or emergency call mode on |
Waveform synchronized with sound is output |
F39-6 (SPO-) - F39-4 (E) |
L - W-B |
Sound signal |
Audio system playing, or emergency call mode on |
Waveform synchronized with sound is output |
F39-7 (IG2) - F39-4 (E) |
W - W-B |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F39-8 (ACC) - F39-4 (E) |
P - W-B |
ACC power supply |
Ignition switch ACC |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F39-10 (SPDP) - F39-4 (E) |
SB - W-B |
Vehicle speed signal |
See "Vehicle Signal Check Mode" (See page
|
- |
F39-11 (IND1) - F39-4 (E) |
R - W-B |
Manual (SOS) switch red indicator illumination signal |
Illuminates for 2 seconds after turning the ignition switch ON |
1 to 8.5 V |
Ignition switch off |
Below 1 V |
|||
F39-12 (IND2) - F39-4 (E) |
V - W-B |
Manual (SOS) switch green indicator illumination signal |
Illuminates for 2 seconds after turning the ignition switch ON |
1 to 8.5 V |
Ignition switch off |
Below 1 V |
|||
F39-13 (BBI-) |
G |
BUB (Back-Up Battery) power supply |
- |
- |
F39-17 (MUTE) - F39-4 (E) |
L - W-B |
Mute signal |
Audio system playing |
3.5 V or higher |
Emergency call mode on |
Below 1 V |
|||
F39-18 (MCO+) - F39-4 (E) |
B - W-B |
Microphone voice signal |
See "Microphone & Voice Recognition Check" (See page
|
- |
F39-19 (MCO-) - F39-4 (E) |
W - W-B |
Microphone voice signal |
See "Microphone & Voice Recognition Check" (See page
|
- |
F39-20 (CTR1) |
L |
BUB (Back-Up Battery) control line |
- |
- |
F39-21 (CTR2) |
GR |
BUB (Back-Up Battery) control line |
- |
- |
F39-23 (ILL+) - F39-4 (E) |
G - W-B |
Illumination signal |
Light control switch off |
Below 1 V |
Light control switch tail or on |
11 to 14 V |
|||
F39-24 (GSW) - F39-4 (E) |
B - W-B |
Collision detection signal |
Ignition switch ON |
Pulse generation (See waveform 1) |
F39-25 (SIL) |
G |
Serial communication signal |
- |
- |
F39-26 (SIG-) - F39-4 (E) |
LG - W-B |
Ground |
Always |
Below 1 V |
F39-27 (SIG1) - F39-4 (E) |
P - W-B |
Manual (SOS) switch condition signal |
Manual (SOS) switch not pressed |
1.4 to 1.8 V |
Manual (SOS) switch pressed |
0.5 to 0.9 V |
|||
F39-30 (BBI+) |
LG |
BUB (Back-Up Battery) power supply |
- |
- |
F39-32 (SGND) - F39-4 (E) |
Shielded - W-B |
Shield ground |
Always |
Below 1 V |
F39-33 (MCVD) - F39-4 (E) |
R - W-B |
Telephone microphone assembly power supply |
Ignition switch off |
Below 1 V |
Ignition switch ON |
4 to 6 V |
|||
F39-34 (MCI+) - F39-4 (E) |
B - W-B |
Microphone voice signal |
See "Microphone & Voice Recognition Check" (See page
|
- |
F39-35 (MCI-) - F39-4 (E) |
W - W-B |
Microphone voice signal |
See "Microphone & Voice Recognition Check" (See page
|
- |
(a) Oscilloscope waveform:
(1) Waveform 1
Item |
Condition |
---|---|
Tester connection |
F39-24 (GSW) - F39-4 (E) |
Tool setting |
5.0 V/DIV., 20 ms/DIV. |
Vehicle condition |
Ignition switch ON |
Disposal
DISPOSAL
CAUTION / NOTICE / HINT
CAUTION:
Before performing pre-disposal deployment of any SRS part, review and closely
follow all applicable environmental and hazardous material regulations. Pre-disposal
deployment may be considered hazardous material ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL HEADLIGHT DIMMER SWITCH ASSEMBLY
(a) Install the headlight dimmer switch to the steering column, making
sure that the stopper protrusions and cutout parts align.
...