TERMINALS OF ECU
1. CHECK OCCUPANT CLASSIFICATION ECU
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
a9-1 (+B) - a9-3 (GND) |
W - W-B |
Battery power supply |
Always |
11 to 14 V |
a9-2 (DIA) - a9-3 (GND) |
GR - W-B |
Diagnosis (DLC3) |
Ignition switch ON |
Pulse generation |
a9-3 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
a9-4 (FSR-) - a9-3 (GND) |
LG - W-B |
Center airbag sensor assembly communication line |
Always |
Below 1 V |
a9-5 (BGND) - a9-3 (GND) |
P - W-B |
Front passenger side buckle switch ground line |
Always |
Below 1 V |
a9-7 (IG2) - a9-3 (GND) |
B - W-B |
Ignition switch power supply |
Ignition switch ON |
11 to 14 V |
a9-8 (FSR+) - a9-4 (FSR- ) |
L - LG |
Center airbag sensor assembly communication line |
Ignition switch ON |
Pulse generation |
a9-9 (BSW) - a9-5 (BGND) |
G - P |
Front passenger side buckle switch line |
Always |
Pulse generation |
a10-1 (SGD1) - a9-3 (GND) |
G - W-B |
Front occupant classification sensor LH ground line |
Always |
Below 1 V |
a10-2 (SGD2) - a9-3 (GND) |
LG - W-B |
Front occupant classification sensor RH ground line |
Always |
Below 1 V |
a10-3 (SGD3) - a9-3 (GND) |
W - W-B |
Rear occupant classification sensor LH ground line |
Always |
Below 1 V |
a10-4 (SGD4) - a9-3 (GND) |
BR - W-B |
Rear occupant classification sensor RH ground line |
Always |
Below 1 V |
a10-11 (SVC1) - a10-1 (SGD1) |
R - G |
Front occupant classification sensor LH power supply line |
Ignition switch ON, load applied to front occupant classification sensor LH |
4.9 to 5.1 V |
a10-12 (SVC2) - a10-2 (SGD2) |
W - LG |
Front occupant classification sensor RH power supply line |
Ignition switch ON, load applied to front occupant classification sensor RH |
4.9 to 5.1 V |
a10-5 (SVC3) - a10-3 (SGD3) |
GR - W |
Rear occupant classification sensor LH signal line |
Ignition switch ON, load applied to rear occupant classification sensor LH |
4.9 to 5.1 V |
a10-6 (SVC4) - a10-4 (SGD4) |
V - BR |
Rear occupant classification sensor RH signal line |
Ignition switch ON, load applied to rear occupant classification sensor RH |
4.9 to 5.1 V |
a10-7 (SIG1) - a10-1 (SGD1) |
P - G |
Front occupant classification sensor LH signal line |
Ignition switch ON, load applied to front occupant classification sensor LH |
0 to 5.1 V |
a10-8 (SIG2) - a10-2 (SGD2) |
L - LG |
Front occupant classification sensor RH signal line |
Ignition switch ON, load applied to front occupant classification sensor RH |
0 to 5.1 V |
a10-9 (SIG3) - a10-3 (SGD3) |
SB - W |
Rear occupant classification sensor LH power supply line |
Ignition switch ON, load applied to rear occupant classification sensor LH |
0 to 5.1 V |
a10-10 (SIG4) - a10-4 (SGD4) |
B - BR |
Rear occupant classification sensor RH power supply line |
Ignition switch ON, load applied to rear occupant classification sensor RH |
0 to 5.1 V |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ign ...
Disassembly
DISASSEMBLY
PROCEDURE
1. FIX REAR DIFFERENTIAL CARRIER ASSEMBLY IN PLACE
(a) Fix the rear differential carrier assembly to the overhaul attachment.
2. INSPECT REAR DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY REAR
(a) Using a dial indicator, measure the ...