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 |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE REAR NO. 1 FLOOR STEP COVER (w/ Rear No. 2 Seat)
2. REMOVE QUARTER SCUFF PLATE L ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Disconnect the h1 multiplex network master switch connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wi ...