TERMINALS OF ECU
1. CHECK POWER STEERING ECU ASSEMBLY
(a) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F41-3 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F41-2 (CANL) - F41-1 (CANH) |
W - L |
CAN communication |
Ignition switch off |
54 to 69 Ω |
F41-5 (IG) - F41-3 (GND) |
G - W-B |
IG power supply |
Ignition switch ON |
11 to 14 V |
F41-7 (SOF+) - F41-8 (SOF-) |
V - LG |
Power steering solenoid valve signal |
|
Pulse generation |
If the result is not as specified, the ECU may have a malfunction.
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK TURN SIGNAL FLASHER ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
...
System Description
SYSTEM DESCRIPTION
1. SEAT BELT WARNING SYSTEM DESCRIPTION
If a seat belt is not fastened, this system flashes the seat belt warning light
or sounds the seat belt warning buzzer as a reminder.
(a) Driver side seat belt warning light:
The seat belt warnin ...