TERMINALS OF ECU
1. CHECK DCM (TELEMATICS TRANSCEIVER)
Text in Illustration
*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 |
Operation Check
OPERATION CHECK
1. INSPECT INDICATOR/WARNING LIGHT
(a) Check the following indicators and warning lights.
Indicator/Warning Light
Switch Condition
Specified Condition
Tire pressure warning light
I ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. INS ...