ENGINE CONTROL TROUBLE CODE
Throttle position sensor circuit B - the ground wire has an open
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Throttle position sensor circuit B is disconnected. (
Throttle position sensor circuit B - check the ground wire for opens
–
Measure the resistance between the specified points.
Break Out Box AO pin 7 – Throttle position sensor circuit B, connector AM pin 3
Resistance
»
If the specifications have not been met:
–
Check EFI control unit connector AO (
–
Check the cable from EFI control unit connector AO (
–
Check connector CP (
–
Check the cable from connector CP (
»
If the specifications have been met:
–
Contact customer service.
–
Check the cable from EFI control unit connector AO (
nector CQ (
–
Check the cable from connector CP (
(
p. 392) pin 1 for a short circuit to the sensor power supply.
»
If the specifications have been met:
–
Check the next possible cause:
Throttle position sensor circuit B - the ground wire has an open (
p. 227)
p. 223)
600850-11
p. 392) pin 7 and connector CQ (
p. 398) pin 2.2 and connector AM pin 3.
p. 398) pin 2.2 to connector AM pin 3 for opens.
p. 398) pin 10 for a short circuit to the sensor power supply.
400582-10
≤ 0.6 Ω
p. 398) pin 2.
p. 392) pin 7 to connector CQ (
p. 392) pin 2 to con-
p. 398) pin 2.10 to connector AM
p. 303)
p. 398) pin 2 for opens.
303