TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Remove the main body ECU (multiplex network body ECU) (See page
).
(b) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
A-30 (BECU) - Body ground |
- |
Battery power supply |
Always |
11 to 14 V |
A-31 (ALTB) - Body ground |
- |
Battery power supply |
Always |
11 to 14 V |
A-32 (IG) - Body ground |
- |
Ignition switch power supply |
Ignition switch ON |
11 to 14 V |
A-32 (IG) - Body ground |
- |
Ignition switch power supply |
Ignition switch off |
Below 1 V |
A-29 (ACC) - Body ground |
- |
ACC power supply |
Ignition switch ACC |
11 to 14 V |
A-29 (ACC) - Body ground |
- |
ACC power supply |
Ignition switch off |
Below 1 V |
A-11 (GND1) - Body ground |
- |
Ground |
Always |
Below 1 Ω |
F10-3 (GND2) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F9-17 (KSW) - Body ground |
B - Body ground |
Unlock warning switch input |
No key in ignition key cylinder |
10 kΩ or higher |
F9-17 (KSW) - Body ground |
B - Body ground |
Unlock warning switch input |
Key inserted in ignition key cylinder |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Install the main body ECU (multiplex network body ECU).
(d) Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
2F-27 (FLCY) - Body ground |
R - Body ground |
Front door LH courtesy switch input |
Front door LH open |
Below 1 V |
2F-27 (FLCY) - Body ground |
R - Body ground |
Front door LH courtesy switch input |
Front door LH closed |
11 to 14 V |
If the result is not as specified, the main body ECU (multiplex network body ECU) or driver side junction block assembly may have a malfunction.
Speed Sensor
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE SPEED SENSOR NT
(a) Disconnect the sensor connector.
(b) Remove the bolt and sensor.
(c) Remove the O-ring from the sensor.
2. REMOVE SPEED SENSOR SP2
(a) Disconnect th ...
Light Control Rheostat
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LIGHT CONTROL RHEOSTAT (w/o TAIL Cancel Switch)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Conn ...