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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