P0201, P0202, P0203 - Injector Circuit Malfunction
P0201, P0202, P0203 - Injector Circuit Malfunction - Fault - H*8, L*1, PB1, PJ1, PV1
Fault Code | Possible cause | Action |
|---|---|---|
P0201 | Injector 1 circuit malfunction | View and note diagnostic software 'freeze-frame' data if available. Make sure the relevant injector connector is secure. Disconnect engine ECM and proceed to pinpoint test 1: |
P0202 | Injector 2 circuit malfunction | |
P0203 | Injector 3 circuit malfunction |
Subheading - Pinpoint Test
Pinpoint Tests
P0201, P0202, P0203 - Injector Circuit Malfunction - Pinpoint Test - HF8; HG8; HJ8; HK8; HL8; LG1; LGX; LJ2; LK2; LL1
Test | Result | Action | |
|---|---|---|---|
1 | Check cable and terminal integrity: - Engine ECM pin C23 - Engine ECM pin C6 - Engine ECM pin C7 | OK | Proceed to test 2 |
Faulty | Rectify fault, proceed to test 7 | ||
2 | Check resistance value: - Engine ECM pin A08 to Engine ECM pin C23 (injector 1) - Engine ECM pin A08 to Engine ECM pin C6 (injector 2) - Engine ECM pin A08 to Engine ECM pin C7 (injector 3) - Engine ECM pin A21 to Engine ECM pin C23 (injector 1) - Engine ECM pin A21 to Engine ECM pin C6 (injector 2) - Engine ECM pin A21 to Engine ECM pin C7 (injector 3) | 3.0 Ohms to 4.2 Ohms | Proceed to test 3 |
Open circuit | Disconnect relevant injector and proceed to test 4 | ||
Short circuit | Disconnect relevant injector and proceed to test 5 | ||
3 | Check cable for short circuit to ground: - Engine ECM pin C23 to ground - Engine ECM pin C6 to ground - Engine ECM pin C7 to ground | OK | Proceed to test 7 |
Short circuit | Locate and rectify wiring fault, proceed to test 7 | ||
4 | Check cable continuity: - EMS relay pin 5 to relevant injector pin 2 - Engine ECM pin C23 to injector 1 pin 1 - Engine ECM pin C6 to injector 2 pin 1 - Engine ECM pin C7 to injector 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 to supply: - Engine ECM pin A08 to Engine ECM pin C23 (injector 1) - Engine ECM pin A08 to Engine ECM pin C6 (injector 2) - Engine ECM pin A08 to Engine ECM pin C7 (injector 3) - Engine ECM pin A21 to Engine ECM pin C23 (injector 1) - Engine ECM pin A21 to Engine ECM pin C6 (injector 2) - Engine ECM pin A21 to Engine ECM pin C7 (injector 3) | OK | Proceed to test 6 |
Short circuit | Locate and rectify wiring fault, proceed to test 7 | ||
6 | Check relevant injector resistance: - Injector pin 1 to injector pin 2 | 11.4 Ohms to 12.6 Ohms | Proceed to test 7 |
Faulty | Renew relevant injector, 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 | ||
Subheading - Circuit Diagram
Circuit Diagram
P0201, P0202, P0203 - Injector Circuit Malfunction - Circuit Diagram - LG1; LGX; LJ2; LK2; LL1
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