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 |
Cruise Control Input Circuit (P0575)
DESCRIPTION
This DTC is stored when there is a malfunction in the ECM.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P0575
Cruise Control Input Circuit
Either of the following conditions is met:
...
Sliding Roof does not Move by Operating Sliding Roof Control Switch
DESCRIPTION
The sliding roof ECU (sliding roof drive gear sub-assembly) receives slide and
tilt signals when the sliding roof switch is operated and drives its built-in motor.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before ...
Speaker Output Short (B15C3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No.
DTC Detection Condition
Trouble Area
B15C3
A short is detected in the speaker output circuit.
Harness or connector
Speaker
...