TERMINALS OF ECU
1. CHECK COMBINATION METER ASSEMBLY
(a) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
C9-19 (B) - Body ground |
P - Body ground |
Battery power supply |
Always |
11 to 14 V |
C9-20 (IG+) - Body ground |
BE - Body ground |
Ignition switch power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
C9-17 (EP) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
C9-18 (ES) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
C9-1 (CANH) - Body ground |
G - Body ground |
CAN communication line |
Always |
200 Ω or higher |
C9-2 (CANL) - Body ground |
W - Body ground |
CAN communication line |
Always |
200 Ω or higher |
2. CHECK CENTER AIRBAG SENSOR ASSEMBLY
Terminal No. |
Terminal Symbol |
Destination |
---|---|---|
A23-12 |
FSR+ |
Occupant classification ECU |
A23-13 |
FSR- |
Occupant classification ECU |
A22-11 |
LBE+ |
Front seat inner belt assembly (for driver side) |
A22-12 |
LBE- |
Front seat inner belt assembly (for driver side) |
3. CHECK OCCUPANT CLASSIFICATION ECU
(a) Measure the voltage and check for pulses according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
O5-1 (+B) - O5-3 (GND) |
R - W-B |
Battery power supply |
Always |
11 to 14 V |
O5-2 (DIA) - O5-3 (GND) |
W - W-B |
Diagnosis (DLC3) |
Ignition switch ON |
Pulse generation |
O5-3 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
O5-7 (IG) - O5-3 (GND) |
BE - W-B |
Ignition switch power supply |
Ignition switch ON |
11 to 14 V |
O5-8 (FSR+) - O5-4 (FSR-) |
W - B |
Center airbag sensor assembly communication line |
Ignition switch ON |
Pulse generation |
O5-9 (BSW) - O5-5 (BGND) |
G - P-G |
Front passenger side buckle switch line |
Always |
4 to 14 V |
O4-1 (SGD1) - O5-3 (GND) |
L - W-B |
Front occupant classification sensor LH ground line |
Always |
Below 1 V |
O4-2 (SGD2) - O5-3 (GND) |
BE - W-B |
Front occupant classification sensor RH ground line |
Always |
Below 1 V |
O4-3 (SGD3) - O5-3 (GND) |
P-G - W-B |
Rear occupant classification sensor LH ground line |
Always |
Below 1 V |
O4-4 (SGD4) - O5-3 (GND) |
B-R - W-B |
Rear occupant classification sensor RH ground line |
Always |
Below 1 V |
O4-11 (SVC1) - O4-1 (SGD1) |
B-L - L |
Front occupant classification sensor LH power supply line |
Ignition switch ON, a load applied to front occupant classification sensor LH |
4.9 to 5.1 V |
O4-12 (SVC2) - O4-2 (SGD2) |
LG-B - BE |
Front occupant classification sensor RH power supply line |
Ignition switch ON, a load applied to front occupant classification sensor RH |
4.9 to 5.1 V |
O4-5 (SVC3) - O4-3 (SGD3) |
B - P-G |
Rear occupant classification sensor LH power supply line |
Ignition switch ON, a load applied to rear occupant classification sensor LH |
4.9 to 5.1 V |
O4-6 (SVC4) - O4-4 (SGD4) |
GR-L - B-R |
Rear occupant classification sensor RH power supply line |
Ignition switch ON, a load applied to rear occupant classification sensor RH |
4.9 to 5.1 V |
O4-7 (SIG1) - O4-1 (SGD1) |
G - L |
Front occupant classification sensor LH signal line |
Ignition switch ON, a load applied to front occupant classification sensor LH |
0 to 5.1 V |
O4-8 (SIG2) - O4-2 (SGD2) |
R-L - BE |
Front occupant classification sensor RH signal line |
Ignition switch ON, a load applied to front occupant classification sensor RH |
0 to 5.1 V |
O4-9 (SIG3) - O4-3 (SGD3) |
R-B - P-G |
Rear occupant classification sensor LH signal line |
Ignition switch ON, a load applied to rear occupant classification sensor LH |
0 to 5.1 V |
O4-10 (SIG4) - O4-4 (SGD4) |
L-R - B-R |
Rear occupant classification sensor RH signal line |
Ignition switch ON, a load applied to rear occupant classification sensor RH |
0 to 5.1 V |
CD cannot be Ejected
PROCEDURE
1.
CHECK OPERATION
(a) Press the disc eject switch of the navigation receiver assembly for 5 seconds
or more and check that the CD is ejected.
OK:
CD is ejected.
NG
REPLACE NAVIGATION RECEIVER ASSEMBLY
...
System Description
SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system functions to lock and unlock all the doors
from a distance. The system is controlled by a door control transmitter module set
sub-assembly which sends radio waves to the door control receiver. The mai ...
Lost Communication With ECM/PCM "A" Missing Message (U010087)
DESCRIPTION
The engine control unit and transmission control unit are located inside the
ECM. The engine control unit intercommunicates with the transmission control ECU
via CAN communication. If there is a problem in this intercommunication, the ECM
stores this DTC.
DTC Code
...