P1631, P1632 - Fall Detection Switch
P1631, P1632 - Fall Detection Switch - Fault - CG7; CM7; CN7; CR7; CS7; CT7; CX7; LG1; LGX; LJ2; LK2; LL1
Fault Code | Possible cause | Action |
---|---|---|
P1631 | Fall detection circuit short circuit to ground | View and note 'freeze-frame' data if available. View and note 'sensor' data. Ensure switch connector is secure. Disconnect the engine ECM and proceed to pinpoint test 1: |
P1632 | Fall detection circuit short circuit to battery Voltage |
Subheading - Pinpoint Test
Pinpoint Tests
P1631, P1632 - Fall Detection Switch - Pin point Test - LG1; LGX; LJ2; LK2; LL1
Test | Result | Action | |
---|---|---|---|
1 | Check cable and terminal integrity: - Engine ECM pin B23 - Engine ECM pin B18 - Engine ECM pin A37 - Sensor pin 4, 5, 6 | OK | Disconnect sensor and proceed to test 2 |
Faulty | Rectify fault, proceed to test 4 | ||
2 | Check cable for short circuit: - Engine ECM pin A37 to Engine ECM pin B18 - Engine ECM pin A37 to Engine ECM pin B23 | OK | Proceed to test 3 |
Short circuit | Locate and rectify wiring fault, proceed to test 4 | ||
3 | Check cable continuity: - Engine ECM pin B18 to sensor pin 4 - Engine ECM pin B23 to sensor pin 6 - Engine ECM pin A37 to sensor pin 5 | OK | Proceed to test 4 |
Open circuit | Locate and rectify wiring fault, proceed to test 4 | ||
4 | Reconnect harness, clear fault code. | OK | Action complete - quit test |
Fault still present | Contact Triumph service |
Subheading - Circuit Diagram
Circuit Diagram
P1631, P1632 - Fall Detection Switch - Circuit Diagram - LG1; LGX
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