Pinpoint Tests - Triumph Thunderbird Service Manual

SAl Valve
Fuel System/Engine Management
Fault Code Possible cause Action
P0413 EMS Main Relay circuit fault View
&
note diagnostic tool 'sensor'
data.
Ensure SAl valve connector is secure.
Disconnect ECM and proceed to
pinpoint test 1:
P04l4 Short circuit to battery positive Disconnect ECM and SAl valve and
proceed to pinpoint test 5:
Pinpoint Tests
Test Result Action
1 Check cable and terminal integrity: OK ceed to test 2
- ECM pin B08
Faulty fy fault, proceed to test 7
- EMS relay pin 5
2 Check resistance value: l8Q to 22Q Proceed to test 3
- ECM pin A6 to ECM pin B8
Open circuit
Disconnect SAl valve and proceed to test 4
Short circuit
Disconnect SAl valve and proceed to test 5
3 Check cable for short circuit: OK Proceed to test 7
- ECM pin B08 to ground
Short circuit Locate and rectify wiring fault, proceed to
test 7
4 Check cable continuity: OK Disconnect Main Relay and proceed to test 5
- EMS relay pin 5 to SAl valve pin 2
Faulty
Rectify fault, proceed to test 7
- ECM pin B08 to SAl valve pin 1
5 Check cable for short circuit: OK Proceed to test 6
- ECM pin A6 to ECM pin B8 Short circuit
Locate and rectify wiring fault, proceed to
test 7
6 Check SAl valve resistance: l8Q to 22Q Proceed to test 7
- Valve pin 1 to valve pin 2 Open circuit Renew SAl valve, proceed to test 7
7 Reconnect harness, clear fault code and run OK Action complete - quit test
diagnostic tool function test to visually verify
Fault still present Contact Triumph service
operation of SAl valve
Circuit Diagram
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SelVice Manual - Thunderbird
10.69