Fault Code | Possible cause | Action |
P0351152/53 | Ignition system fault - ignition coil 112/3 | View & note diagnostic software 'freeze frame' data if available. Ensure relevant ignition coil connector is secure. Disconnect ECM and proceed to pinpoint test 1: |
Pinpoint Tests
Test | Result | Action |
1. Check cable and terminal integrity: ECM pin B17 ECM pin A18 ECM pin B18 | OK | Proceed to test 2 |
Faulty | Rectify fault, proceed to test 7 | |
2. Check resistance value: ECM pin A06 to ECM pin (ignition coil 1) B17 ECM pin (ignition coil 2) A18 ECM pin (ignition coil 3) B 18 | 0.8 Ω to 1.2 Ω | Proceed to test 3 |
Open circuit | Disconnect relevant ignition coil and proceed to test 4 | |
Short circuit | Disconnect relevant ignition coil and proceed to test 5 | |
3. Check cable for short circuit: ECM pin B17 to earth ECM pin A 18 to earth ECM pin B18 to earth | OK | Proceed to test 7 |
Short circuit | Locate and rectify wiring fault, proceed to test 7 | |
4. Check cable continuity: EMS main relay pin 5 to any ignition coil pin 2 ECM pin B17 to ignition coil 1 pin 1 ECM pin A18 to ignition coil 2 pin 1 ECM pin B18 to ignition coil 3 pin 1 | OK | Proceed to test 6 |
Open circuit | Locate and rectify wiring fault, proceed to test 7 | |
5. Check cable for short circuit: ECM pin A06 to ECM pin (ignition coil 1) B17 ECM pin (ignition coil 2) A18 ECM pin (ignition coil 3) B18 | OK | Proceed to test 6 |
Short circuit | Locate and rectify wiring fault, proceed to test 7 | |
6. Check relevant ignition coil resistance: Ignition coil pin 1 to ignition coil pin 2 | 0.8 Ω to 1.2 Ω | Proceed to test 7 |
Faulty | Renew relevant ignition coil, proceed to test 7 | |
7. Reconnect harness, clear fault code and run engine to verify fault cleared | OK | Action complete - quit test |
Fault still present | Contact Triumph service |