Ford Transit 2002 Owner's Manual page 1031

PINPOINT TEST B : DTC P0200 - POOR PERFORMANCE WHEN RUNNING
ON LPG
TEST CONDITIONS
B1: CHECK CIRCUITS 31S-RL10A, 31S-RL10D, 31S-RL11A, 31S-RL11D, 31S-RL12A,
31S-RL12D, 31S-RL13A AND 31S-RL13D FOR GROUND
B2: CHECK FOR POWER TO THE LPG FUEL INJECTORS
DETAILS/RESULTS/ACTIONS
Ignition switch in position 0.
1
Disconnect AFCM C406.
2
Disconnect LPG fuel injector C671.
3
Disconnect LPG fuel injector C672.
4
Disconnect LPG fuel injector C673.
5
Disconnect LPG fuel injector C674.
6
Measure the resistance between the following
7
electrical connectors and ground.
AFCM C406 pin 25, circuit 31S-RL10D (BK/WH),
harness side.
AFCM C406 pin 22, circuit 31S-RL11D (BK/YE),
harness side.
AFCM C406 pin 24, circuit 31S-RL12D (BK/BU),
harness side.
AFCM C406 pin 11, circuit 31S-RL13D (BK/OG),
harness side.
Are the resistances greater than 10,000 ohms?
Yes
GO to B2.
No
REPAIR the circuit(s). TEST the system for normal
operation.
Disconnect LPG fuel injector C671.
1
Disconnect LPG fuel injector C672.
2
Disconnect LPG fuel injector C673.
3
Disconnect LPG fuel injector C674.
4
Ignition switch in position II.
5
Measure the voltage between the following
6
electrical connectors and ground.
LPG fuel injector C671 pin 1, circuit 15-RL10A
(GN/WH), harness side.
LPG fuel injector C672 pin 1, circuit 15-RL11A
(GN/YE), harness side.
LPG fuel injector C673 pin 1, circuit 15-RL12A
(GN/BU), harness side.
LPG fuel injector C674 pin 1, circuit 15-RL13A
(GN/RD), harness side.
Are the voltages greater than 10 volts?
Yes
GO to B3.
No
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