- Lower tail gate lock RH
- Harness or connector
- No. 2 main body ECU
| Last Modified: 11-27-2007 | 1.6 C | |
| Service Category: Vehicle Exterior | Section: Door/Hatch | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000003EUN000X |
| Title: DOOR / HATCH: TAIL GATE CLOSER SYSTEM: DESCRIPTION (2008 LX570) | ||
|
DTC |
B225B |
Tail Gate Panel Half Switch or Courtesy Switch RH |
DESCRIPTION
The No. 2 main body ECU receives the half-latch switch, pawl switch and lower tail gate courtesy switch signals from the lower tail gate lock RH and detects the open/closed status of the lower tail gate. DTC B225B is stored when the ECU receives a half-latch switch, pawl switch or lower tail gate courtesy switch malfunction signal from the lower tail gate lock RH.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B225B |
A half-latch switch, pawl switch or lower tail gate courtesy switch malfunction (open or short circuit) signal from the lower tail gate lock RH is received. |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM (HALF-LATCH SWITCH, POLE SWITCH AND COURTESY SWITCH) |
(a) Check the Data List for proper functioning of the half-latch switch, pawl switch and lower tail gate courtesy switch.
Body No.4
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
Half Latch Switch RH |
Half-latch switch signal/ON or OFF |
ON: Lower tail gate open OFF: Lower tail gate closed |
- |
|
Courtesy Switch RH |
Lower tail gate courtesy switch RH signal/ON or OFF |
ON: Lower tail gate open OFF: Lower tail gate closed |
- |
|
Luggage Pawl Switch |
Pawl switch signal/ON or OFF |
ON: Lower tail gate lock motor operating OFF: Lower tail gate open or close |
- |
OK:
The display is as specified in the normal condition.
|
|
2. |
CHECK DTC OUTPUT |
(a) Starting with the lower tail gate closed, open and close the lower tail gate 6 times.
(b) Check for DTCs
.
(c) Clear the DTCs
.
(d) Starting with the lower tail gate closed, open and close the lower tail gate 6 times.
(e) Recheck for DTCs
.
OK:
DTC B225B is not output.
|
|
3. |
INSPECT LOWER TAIL GATE LOCK ASSEMBLY RH |
(a) Remove the lower tail gate lock RH
.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Lower Tail Gate Courtesy Switch
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2 (FUL) - 3 (E1) |
Over-latch |
10 kΩ or higher |
|
2 (FUL) - 3 (E1) |
Full-latch |
10 kΩ or higher |
|
2 (FUL) - 3 (E1) |
Half-latch |
Below 1 Ω |
|
2 (FUL) - 3 (E1) |
Open-latch |
Below 1 Ω |
Half-latch Switch:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 (HAF) - 3 (E1) |
Over-latch |
10 kΩ or higher |
|
1 (HAF) - 3 (E1) |
Full-latch |
Below 1 Ω |
|
1 (HAF) - 3 (E1) |
Half-latch |
10 kΩ or higher |
|
1 (HAF) - 3 (E1) |
Open-latch |
Below 1 Ω |
Pawl Switch:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4 (POL) - 3 (E1) |
Over-latch |
10 kΩ or higher |
|
4 (POL) - 3 (E1) |
Full-latch |
Below 1 Ω |
|
4 (POL) - 3 (E1) |
Half-latch |
Below 1 Ω |
|
4 (POL) - 3 (E1) |
Open-latch |
10 kΩ or higher |
|
|
4. |
CHECK HARNESS AND CONNECTOR (LOCK - ECU AND BODY GROUND) |
(a) Disconnect the f2 lock connector.
(b) Disconnect the L33 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
f2-1 (HAF) - L33-8 (HAF) |
Always |
Below 1 Ω |
|
f2-2 (FUL) - L33-22 (FUL) |
Always |
Below 1 Ω |
|
f2-4 (POL) - L33-16 (POL) |
Always |
Below 1 Ω |
|
f2-3 (E1) - Body ground |
Always |
Below 1 Ω |
|
f2-1 (HAF) - Body ground |
Always |
10 kΩ or higher |
|
f2-2 (FUL) - Body ground |
Always |
10 kΩ or higher |
|
f2-4 (POL) - Body ground |
Always |
10 kΩ or higher |
|
|
|