| Last Modified: 11-27-2007 | 1.6 U | |
| Service Category: Steering | Section: Steering Column | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000001T1500BX |
| Title: STEERING COLUMN: STEERING LOCK SYSTEM: TERMINALS OF ECU (2008 LX570) | ||
TERMINALS OF ECU
1. CHECK STEERING LOCK ECU
(a) Disconnect the E26 steering lock 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 |
|---|---|---|---|---|
|
E26-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
E26-2 (SGND) - Body ground |
BR - Body ground |
Signal ground |
Always |
Below 1 Ω |
|
E26-6 (IG2) - E26-1 (GND) |
B - W-B |
IG signal input |
Engine switch on (IG) |
11 to 14 V |
|
E26-7 (B) - E26-1 (GND) |
R - W-B |
Power source |
Always |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the E26 steering lock ECU connector.
(d) Measure the voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
E26-3 (IGE) - E26-1 (GND) |
G - W-B |
Power source for motor drive |
Motor operating |
Below 1 V |
|
E26-3 (IGE) - E26-1 (GND) |
G - W-B |
Power source for motor drive |
Motor not operating |
11 to 14 V |
|
E26-4 (SLP1) - E26-2 (SGND) |
SB - BR |
Unlock position sensor output signal |
Steering locked |
11 to 14 V |
|
E26-4 (SLP1) - E26-2 (SGND) |
SB - BR |
Unlock position sensor output signal |
Steering lock unlocked |
Below 1 V |
|
E26-5 (LIN) - E26-2 (SGND) |
GR - BR |
LIN communication bus |
Engine switch on (IG) |
Pulse generation |
If the result is not as specified, there may be a malfunction on the wire harness side.
|
|