ENGINE CONTROL TROUBLE CODE
»
If the specifications have been met:
–
Check the next possible cause:
Motor drive circuit B phase A - the signal wire has a short circuit to sensor ground (
Motor drive circuit B phase A - the signal wire has a short circuit to sensor ground
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Motor drive circuit B phase A - check the signal wire for a short circuit to sensor ground
–
Measure the resistance between the specified points.
Break out box CO pin 22 – Break Out Box AO pin 7
Resistance
»
If the specifications have not been met:
–
Check the cable from EFI control unit connector CO (
sensor ground.
–
Check connector CP (
–
Check the cable from EFI control unit connector CO (
sensor ground.
–
Check connector CP (
»
If the specifications have been met:
–
Check the next possible cause:
Motor drive circuit B phase B - the signal wire has a short circuit to sensor ground (
Motor drive circuit B phase B - the signal wire has a short circuit to sensor ground
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Motor drive circuit B phase B - check the signal wire for a short circuit to sensor ground
–
Measure the resistance between the specified points.
Break out box CO pin 22 – Break Out Box AO pin 7
Resistance
»
If the specifications have not been met:
–
Check the cable from EFI control unit connector CO (
sensor ground.
–
Check connector CP (
p. 227)
600850-12
p. 398) pin 2.11 to connector CA (
p. 398) pin 2.15 to connector CA (
p. 227)
600850-12
p. 398) pin 2.7 to connector CA (
600850-11
∞ Ω
p. 397) pin 22 to connector CQ (
p. 395) pin 3 for a short circuit to sensor ground.
p. 397) pin 21 to connector CQ (
p. 395) pin 1 for a short circuit to sensor ground.
600850-11
∞ Ω
p. 397) pin 12 to connector CQ (
p. 395) pin 2 for a short circuit to sensor ground.
p. 340)
p. 398) pin 11 for a short circuit to
p. 398) pin 15 for a short circuit to
p. 340)
p. 398) pin 7 for a short circuit to
340