Test R - Temperature Compensated Accelerator Pump Output Circuit Check
- Turn ignition off and wait 10 seconds. Disconnect temperature compensated accelerator pump solenoid harness connector. With DVOM on 200 ohm scale, measure resistance of solenoid. If resistance is between 50-100 ohms, reconnect solenoid and go to next step. If less than 50 ohms or greater than 100 ohms, replace solenoid and repeat QUICK TEST .
- Turn ignition on (engine off). With DVOM on 20 volt scale, connect positive lead to vehicle power circuit of solenoid harness connector and negative lead to ground. If voltage is less than 10.5 volts, repair open circuit in harness and repeat QUICK TEST . If greater than 10.5 volts, go to next step.
- Turn ignition off and wait 10 seconds. Disconnect 60-pin connector at ECA and inspect for damage. Connect breakout box and leave ECA disconnected. With DVOM on 200 ohm scale, measure continuity from box pin 54 to TCP circuit at solenoid harness connector. If 5 ohms or greater, repair open circuit in harness and repeat QUICK TEST . If less than 5 ohms, go to next step.
- Turn ignition off and wait 10 seconds. Breakout box installed (ECA and TCP solenoid disconnected). With DVOM on 200,000 ohm scale, measure resistance from box pin 54 to box pins 37 and 57. If resistance is 10,000 ohms or greater, go to next step. If less than 10,000 ohms, repair short circuit and repeat QUICK TEST .
- Turn ignition off and wait 10 seconds. Breakout box installed (ECA and TCP solenoid disconnected). With DVOM on 200,000 ohm scale, measure resistance from box pin 54 to box pins 40, 46, and 60. If readings are less than 10,000 ohms, repair short to ground and repeat QUICK TEST . If readings are 10,000 ohms or greater, replace ECA and repeat QUICK TEST .