DTC B1647: Inspection
EXT_FR_AS+, EXT_FR_AS- Shorted Wire Inspection
Test Procedure
- Preparation
-
- -
Body control module connector F (36P): disconnected
- -
Right-front LF antenna/initiator 2P connector: disconnected
- -
- Procedure
-
- -
Perform the inspection according to the following table.
- -
| (Disconnected)Body control module connector F (36P) female terminals | ||||
| IG Mode |
|
Normal Conditions | ||
| EXT_FR_AS+, EXT_FR_AS- shorted wire to wire inspection | OFF | There is more than 1 MOhm | ||
| NOTE: Refer to: Open/Shorted Wire Inspection Description for the method to inspect the shorted circuit below, then start to inspect according to circumstances. | ||||
| EXT_FR_AS+ shorted to ground inspection | OFF | Not shorted | ||
| EXT_FR_AS- shorted to ground inspection | OFF | Not shorted | ||
Results
- If abnormal, there is a problem in the circuit.
Body Control Module Inspection
Preconditions
NOTE: This procedure can be done before any other inspections are completed because this test procedure includes all of the following inspection items. However, if this test fails, it will be necessary to continue with each inspection item individually to determine which item failed.
- External circuit is normal
Test Procedure
- Preparation
-
- -
Right-front LF antenna/initiator 2P connector: disconnected
- -
- Procedure
-
- -
Perform the inspection according to the following table.
- -
| (Disconnected)Right-front LF antenna/initiator 2P connectorfemale terminals | ||||
| IG Mode |
|
Normal Conditions | ||
| Module internal circuit inspection | ON*1 | Voltage |
*1: If the matter whether the vehicle mode ON or OFF (LOCK) because of the permanent power supply.
Results
- If it is abnormal, there is a problem with the body control module.
Right-Front LF Antenna/Initiator Inspection
Test Procedure
- If the other inspection item(s) indicated a normal condition, then it is determined that the remaining right-front LF antenna/initiator is the cause.
Results
- There is a problem with the right-front LF antenna/initiator.