- Engine switch on (IG)
- Tire pressure warning reset switch on
| Last Modified: 11-27-2007 | 1.6 U | |
| Service Category: Suspension | Section: Tire Pressure Monitoring | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000000XMS01NX |
| Title: TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: TERMINALS OF ECU (2008 LX570) | ||
TERMINALS OF ECU
1. CHECK TIRE PRESSURE WARNING ECU
HINT:
Inspect the connector from the back side.
(a) Disconnect the L10 ECU connector.
(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 |
|---|---|---|---|---|
|
L10-1 (IG) - L10-7 (GND) |
G - W-B |
IG power source |
Engine switch on (IG) |
10 to 14 V |
|
L10-6 (CANP) - L10-12 (CANN) |
G - R |
CAN communication line |
Engine switch off |
54 to 69 Ω |
(c) Connect the L10 ECU connector.
(d) Measure the voltage and resistance according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
L10-10 (RF5V) - L10-7 (GND) |
B - W-B |
Tire pressure warning antenna and receiver power source |
Engine switch on (IG) |
4.5 to 5.5 V |
|
L10-8 (CLSW) - L10-7 (GND) |
B - W-B |
Tire pressure warning reset switch |
|
Below 2.4 V |
|
8 to 14 V |
|||
|
L10-9 (RDA) - L10-7 (GND) |
R - W-B |
Tire pressure warning antenna and receiver signal |
|
9 to 14 V |
|
L10-4 (GND2) - L10-7 (GND) |
W - W-B |
Tire pressure warning antenna and receiver ground |
Always |
Below 1 Ω |
|
L10-7 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
|