ENGINE CONTROL TROUBLE CODE
Manifold absolute pressure sensor cylinder 1 - the signal 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.
Manifold absolute pressure sensor cylinder 1 is disconnected. (
Manifold absolute pressure sensor cylinder 1 - check the signal wire for a short circuit to plus (terminal 30)
–
Measure the voltage between the specified points.
Break Out Box AO pin 3 – Measuring point Ground (−)
Voltage
»
If the specifications have not been met:
–
Check the cable from EFI control unit connector AO (
plus (terminal 30).
»
If the specifications have been met:
–
Check the next possible cause:
Manifold absolute pressure sensor cylinder 1 - the signal wire has a short circuit to ignition plus (terminal 15) (
Manifold absolute pressure sensor cylinder 1 - the signal wire has a short circuit to ignition plus (terminal 15)
Manifold absolute pressure sensor cylinder 1 - the signal wire has a short circuit to the sensor power supply
p. 227)
600850-11
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Manifold absolute pressure sensor cylinder 1 is disconnected. (
Manifold absolute pressure sensor cylinder 1 - check the signal wire for a short circuit to
ignition plus (terminal 15)
–
Measure the resistance between the specified points.
Break Out Box AO pin 3 – Break Out Box AO pin 20
Resistance
»
If the specifications have not been met:
–
Check the cable from EFI control unit connector AO (
nector DP (
600850-11
»
If the specifications have been met:
–
Check the next possible cause:
Manifold absolute pressure sensor cylinder 1 - the signal wire has a short cir-
cuit to the sensor power supply (
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Manifold absolute pressure sensor cylinder 1 is disconnected. (
p. 223)
400658-10
< 0.1 V
p. 392) pin 3 to connector DP (
p. 227)
∞ Ω
p. 400) pin 3 for a short circuit to ignition plus (terminal 15).
p. 257)
p. 227)
p. 400) pin 3 for a short circuit to
p. 257)
p. 223)
p. 392) pin 3 to con-
p. 223)
257