ENGINE CONTROL TROUBLE CODE
Fuel pump relay - the control wire has a short circuit to plus (terminal 30)
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
The fuel pump relay is disconnected. (
Fuel pump relay - check the control wire for a short circuit to plus (terminal 30)
–
Measure the voltage between the specified points.
Break out box CO pin 2 – Measuring point Ground (−)
Voltage
»
If the specifications have not been met:
–
Check the cable from EFI control unit connector CO (
plus (terminal 30).
–
Check the cable from connector ET (
(terminal 30).
»
If the specifications have been met:
–
Check the next possible cause:
Fuel pump relay - the signal wire has a short circuit to ignition plus (terminal 15) (
Fuel pump relay - the signal wire has a short circuit to ignition plus (terminal 15)
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
The fuel pump relay is disconnected. (
Fuel pump relay - check the signal wire for a short circuit to ignition plus (terminal 15)
–
Measure the resistance between the specified points.
Break out box CO pin 2 – Break Out Box AO pin 20
Resistance
»
If the specifications have not been met:
–
Check the cable from EFI control unit connector CO (
ignition plus (terminal 15).
–
Check the cable from connector ET (
minal 15).
»
If the specifications have been met:
–
Contact customer service.
p. 227)
p. 404)
600850-12
p. 402) pin 15 to connector EB (
p. 227)
p. 404)
600850-12
p. 402) pin 15 to connector EB (
400658-10
≤ 0.1 V
p. 397) pin 2 to connector ES (
p. 401) pin 2 for a short circuit to plus
600850-11
∞ Ω
p. 397) pin 2 to connector ES (
p. 401) pin 2 for a short circuit to ignition plus (ter-
p. 402) pin 15 for a short circuit to
p. 360)
p. 402) pin 15 for a short circuit to
360