|
DTC Troubleshooting: B1175
DTC B1175: Fuel level sensor (Fuel gauge sending unit) circuit malfunction
|
DTC Description |
DTC |
|
B1175 Fuel level sensor (Fuel gauge sending unit) circuit malfunction |
| |
|
|
1. |
Problem verification:
Problem verification
|
?1. |
Clear the DTCs with the HDS.
|
|
?2. |
Turn the vehicle to the OFF (LOCK) mode. |
|
?3. |
Turn the vehicle to the ON mode, and wait more than 30 seconds. |
|
?4. |
Check for DTCs with the HDS.
|
DTC Description |
DTC |
|
B1175 Fuel level sensor (Fuel gauge sending unit) circuit malfunction |
| |
| | |
Is DTC B1175 indicated?
|
|
|
|
|
|
|
Intermittent failure, the system is OK at this time. Check for loose or poor connections.? |
|
2. |
Open wire check (FUEL GAUGE+, FUEL GAUGE- lines):
Open wire check (FUEL GAUGE+, FUEL GAUGE- lines)
|
?1. |
Turn the vehicle to the OFF (LOCK) mode. |
|
?2. |
Disconnect the following connectors.
|
Gauge control module 32P connector
Fuel tank unit 4P connector | |
| |
|
?3. |
Check for continuity between test points 1 and 2 individually.
|
Test condition |
Vehicle OFF (LOCK) mode
Gauge control module 32P connector: disconnected
Fuel tank unit 4P connector: disconnected |
|
Test point 1 |
|
|
Test point 2 |
Fuel tank unit 4P connector No. 2 | |
|
|
Test point 1 |
|
|
Test point 2 |
Fuel tank unit 4P connector No. 4 | |
|
| |
Is there continuity?
|
|
|
The FUEL GAUGE+ and FUEL GAUGE- wires are OK. Go to step 3. |
|
|
|
Repair an open or high resistance in the wire.? |
|
3. |
Fuel gauge sending unit check:
Fuel gauge sending unit check
|
Is the fuel gauge sending unit OK?
|