- Steering lock unlocked
- Engine switch off
- Shift lever in P
- Driver side door closed → opened
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ0C |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: STEERING COLUMN: STEERING LOCK SYSTEM: TERMINALS OF ECU; 2016 - 2020 MY Sienna [12/2015 - ] | ||
TERMINALS OF ECU
1. CHECK STEERING LOCK ECU
(a) Disconnect the D29 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 |
|---|---|---|---|---|
|
D29-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
D29-6 (IG2) - D29-1 (GND) |
B - W-B |
IG2 signal input |
Engine switch off → engine switch on (IG) |
Below 1 V → 11 to 14 V |
|
D29-7 (B) - D29-1 (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 D29 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 |
|---|---|---|---|---|
|
D29-3 (IGE) - D29-1 (GND) |
Y - W-B |
Power source for motor drive |
When all conditions are met: |
11 to 14 V (Steering lock motor not operating) → Below 1 V (Steering lock motor operating) → 11 to 14 V (Steering lock motor not operating) |
|
D29-4 (SLP1) - D29-1 (GND) |
G - W-B |
Unlock position sensor output signal |
Steering lock locked → steering lock unlocked |
11 to 14 V → Below 1.2 V |
If the result is not as specified, there may be a malfunction in the steering lock ECU.
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