Ford F150 Pickup. Manual — part 79

Symptom Chart

SYMPTOM CHART

PINPOINT TEST A: NGV DTC B1219 - FUEL TANK PRESSURE SENSOR CIRCUIT FAILURE

B1219

Fuel Tank Pressure Sensor Circuit Failure

NGV Module GO to PINPOINT TEST A .

B1220 Fuel Tank Pressure Sensor Circuit Short to Power NGV Module GO to PINPOINT TEST B .
B1222

Tank Temperature Sensor Circuit Failure

NGV Module GO to PINPOINT TEST C .

B1223

Tank Temperature Sensor Circuit Open

NGV Module GO to PINPOINT TEST D .

B1224 Tank Temperature Sensor Circuit Short to Power NGV Module GO to PINPOINT TEST E .
B1225 Tank Temperature Sensor Circuit Short to Ground NGV Module

GO to PINPOINT TEST F .

B1317

Battery Voltage High

NGV Module GO to PINPOINT TEST G .

B1318

Battery Voltage Low

NGV Module GO to PINPOINT TEST H .

B1342

ECU is Defective

NGV Module

GO to PINPOINT TEST I .

Condition

Possible Sources

Action

No communication with
the natural gas vehicle
(NGV) module

z

NGV module.

z

Circuitry.

Go To PINPOINT TEST J .

Integrated circuit display
inoperative or erratic

z

BJB Fuse 18
(15A).

z

Circuitry.

z

Instrument
cluster.

Go To PINPOINT TEST K .

No communication with
the hybrid electronic
instrument cluster (HEC)

z

CJB Fuses 2
(5A), 6 (5A), 16
(20A).

z

Circuitry.

z

Instrument
cluster.

Go To PINPOINT TEST L .

Incorrect fuel gauge
indication

z

Circuitry.

z

Instrument
cluster.

z

NGV module.

CARRY OUT NGV Module On-Demand Self-Test.

If DTCs are retrieved, REFER to NGV Module

Diagnostic Trouble Code (OTC) Index . If no

DTCs are retrieved, Go To PINPOINT TEST M .

2003 Ford Pickup F150

2003 ACCESSORIES AND BODY, CAB Instrument Cluster-Natural Gas - F150

Fig. 8: Pinpoint Test A: NGV DTC B1219 - Fuel Tank Pressure Sensor Circuit Failure (A1)
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2003 ACCESSORIES AND BODY, CAB Instrument Cluster-Natural Gas - F150

Fig. 9: Pinpoint Test A: NGV DTC B1219 - Fuel Tank Pressure Sensor Circuit Failure (A2 - A3)
Courtesy of FORD MOTOR CO.

Fig. 10: Pinpoint Test A: NGV DTC B1219 - Fuel Tank Pressure Sensor Circuit Failure (A4)
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2003 ACCESSORIES AND BODY, CAB Instrument Cluster-Natural Gas - F150

Fig. 11: Pinpoint Test A: NGV DTC B1219 - Fuel Tank Pressure Sensor Circuit Failure (A5 - A6)
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2003 ACCESSORIES AND BODY, CAB Instrument Cluster-Natural Gas - F150