DTC 16
DTC 16
FUEL INJECTOR
Diagnosis
- The Fuel Injector is not functioning.
- The harness connector between Engine Control Module (ECM) and each fuel injection is in short or open.
Trouble Symptom
- Failure of Engine to start.
- Engine stalls.
- Erroneous idling.
- Rough driving.
1. Check operation of each Fuel Injector.
- While cranking the Engine check that each Fuel Injector emits an operating sound. Use a sound scope or attach a screwdriver to Injector for this check.
2. Check power supply to Fuel Injector.
a. Turn Ignition Switch to "OFF".
b. Disconnect connector from each Injector.
c. Turn Ignition Switch to "ON".
d. Measure voltage between each injector connector terminal and body.
Connector & Terminal / Specified Voltage:
#1 (E7) No. 2 - Body / 10 Volts minimum
#2 (E17) No. 2 - Body / 1O Volts minimum
#3 (E8) No. 2 - Body / 10 Volts minimum
#4 (E18) No. 2 - Body / 1O Volts minimum
3. Check each Fuel Injector.
- Measure resistance between Fuel Injector terminals.
Terminals / Specified Resistance:
No. 1 - No. 2 / 11 - 12 Ohms.
4. Check harness connector between ECM and each Fuel Injector.
a. Disconnect connector from ECM.
b. Measure resistance of harness connector between ECM connector and each Fuel Injector.
Connector & Terminal / Specified Resistance:
(E3O) No. 2 - (E7) No. 1 / 10 Ohms, maximum
(E30) No. 1 - (E17) No. 1 / 10 Ohms, maximum
(E30) No. 13 - (E8) No. 1 / 10 Ohms, maximum
(E30) No. 12 - (E18) No. 1 / 10 Ohms, maximum