ENGINE CONTROL TROUBLE CODE
–
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 A - the signal wire has a short circuit to plus (terminal 30) (
Motor drive circuit B phase A - 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.
Motor drive circuit B phase A - check the signal wire for a short circuit to plus (terminal 30)
–
Measure the voltage between the specified points.
Break out box CO pin 22 – Measuring point Ground (−)
Voltage
»
If the specifications have not been met:
–
Check the cable from EFI control unit connector CO (
plus (terminal 30).
–
Check connector CP (
–
Check the cable from EFI control unit connector CO (
plus (terminal 30).
–
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 plus (terminal 30) (
Motor drive circuit B phase B - 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.
Motor drive circuit B phase B - check the signal wire for a short circuit to plus (terminal 30)
–
Measure the voltage between the specified points.
Break out box CO pin 12 – Measuring point Ground (−)
Voltage
»
If the specifications have not been met:
p. 398) pin 2.3 to connector CA (
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. 397) pin 4 to connector CQ (
p. 395) pin 4 for a short circuit to sensor ground.
400658-10
< 0.1 V
p. 397) pin 22 to connector CQ (
p. 395) pin 3 for a short circuit to plus (terminal 30).
p. 397) pin 21 to connector CQ (
p. 395) pin 1 for a short circuit to plus (terminal 30).
400658-10
< 0.1 V
p. 398) pin 3 for a short circuit to
p. 341)
p. 398) pin 11 for a short circuit to
p. 398) pin 15 for a short circuit to
p. 341)
341