Dtc B225B Tail Gate Panel Half Switch Or Courtesy Switch Rh
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
READ VALUE USING INTELLIGENT TESTER
CHECK DTC OUTPUT
INSPECT LOWER TAIL GATE LOCK ASSEMBLY RH
CHECK HARNESS AND CONNECTOR (LOWER TAIL GATE LOCK ASSEMBLY RH - NO. 2 MAIN BODY ECU AND BODY GROUND)
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 assembly RH and detects the open/closed status of the lower tail gate. DTC B225B is stored when the No. 2 main body ECU receives a half-latch switch, pawl switch or lower tail gate courtesy switch malfunction signal from the lower tail gate lock assembly 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. |
Lower tail gate lock assembly RH
Harness or connector
No. 2 main body ECU
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WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.READ VALUE USING INTELLIGENT TESTER |
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 closed | - |
- OK:
- The display is as specified in the normal condition.
Starting with the lower tail gate closed, open and close the lower tail gate 6 times.
Starting with the lower tail gate closed, open and close the lower tail gate 6 times.
Recheck for DTCs ().
- OK:
- DTC B225B is not output.
| | REPLACE NO. 2 MAIN BODY ECU ()
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| OK | |
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| USE SIMULATION METHOD TO CHECK ()
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| 3.INSPECT LOWER TAIL GATE LOCK ASSEMBLY RH |
Remove the lower tail gate lock assembly RH ().
Inspect the lower tail gate lock assembly RH ().
| | REPLACE LOWER TAIL GATE LOCK ASSEMBLY RH ()
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| 4.CHECK HARNESS AND CONNECTOR (LOWER TAIL GATE LOCK ASSEMBLY RH - NO. 2 MAIN BODY ECU AND BODY GROUND) |
Disconnect the h4 lower tail gate lock assembly RH connector.
Disconnect the L50 No. 2 main body ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| h4-1 (HAF) - L50-8 (HAF) | Always | Below 1 Ω |
| h4-2 (FUL) - L50-22 (FUL) | Always | Below 1 Ω |
| h4-4 (POL) - L50-16 (POL) | Always | Below 1 Ω |
| h4-3 (E1) - Body ground | Always | Below 1 Ω |
| h4-1 (HAF) - Body ground | Always | 10 kΩ or higher |
| h4-2 (FUL) - Body ground | Always | 10 kΩ or higher |
| h4-4 (POL) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| OK | |
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| REPLACE NO. 2 MAIN BODY ECU ()
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