LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 1996 >> Chevy Express G2500, Van Cargo Extended, 4L60E/M30 >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Engine Controls - Tests W/Codes - 7.4L) >> Trouble Code Charts >> Code 43, Knock Sensor Without Spark Module (Single Sensor) >> Code Description (Knock Sensor Without Spark Module (Single Sensor))

Code Description (Knock Sensor Without Spark Module (Single Sensor))

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 1995 GMC Vandura Special, 1995 GMC Vandura, 1995 GMC Suburban, 1995 GMC Rally Camper Special, and 1995 GMC Rally. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. Code 43 will set when vehicle reaches normal operating temperature (but not overheating), high engine load is indicated by MAP sensor and voltage on sensor signal circuit is greater than 3.5 volts DC or less than 1.5 volts DC. This step determines if system is functioning properly at current time.
  2. This step determines state of 5-volt reference signal applied to sensor.
  3. Checks knock sensor internal resistance.
scientia non olet · About LEMON Manuals