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GO to Pinpoint Test G187746t14.
G187746t14 : CHECK FOR AN OPEN CIRCUIT 1. Measure the resistance between the EGR valve electrical connector PI 15 pin 4 (YU) and ECM electrical connector PI 1 pin 57 (YU). Is the resistance more than 5.0 ohms? -> Yes REPAIR the circuit between EGR valve electrical connector PI 15 pin 4 (YU) and ECM electrical connector PI 1 pin 57 (YU). CLEAR DTC. To validate fix drive vehicle between 30 mph (48 kph) and 40 mph (64 kph). Allow vehicle to idle for 2 minutes.
-> No GO to Pinpoint Test G187746t15.
G187746t15 : CHECK FOR A SHORT TO GROUND 1. Measure the resistance between the EGR valve electrical connector PI 15 pin 1 (YG) and GROUND. Is the resistance less than 10,000 ohms? -> Yes REPAIR the circuit between EGR valve electrical connector PI 15 pin 1 (YG) and ECM electrical connector PI 1 pin 58 (YG). CLEAR DTC. To validate fix drive vehicle between 30 mph (48 kph) and 40 mph (64 kph). Allow vehicle to idle for 2 minutes.
-> No GO to Pinpoint Test G187746t16.
G187746t16 : CHECK FOR AN OPEN CIRCUIT 1. Measure the resistance between the EGR valve electrical connector PI 15 pin 1 (YG) and ECM electrical connector PI 1 pin 58 (YG). Is the resistance more than 5.0 Ohms? -> Yes REPAIR the circuit between EGR valve electrical connector PI 15 pin 1 (YG) and ECM electrical connector PI 1 pin 58 (YG). CLEAR DTC. To validate fix drive vehicle between 30 mph (48 kph) and 40 mph (64 kph). Allow vehicle to idle for 2 minutes.
-> No GO to Pinpoint Test G187746t17.
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