Checking component and wiring
Check air conditioning (A/C) pressure sensor connector for intermittent contact resistance and oxidation according to Contact resistance and oxidation
Check cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) sensor #2 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults
Check signal cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) pressure sensor #2 for an intermittent open circuit according to Open-circuit, intermittent faults
Check power supply cable between engine control module (ECM) #A39 (#A39) and air conditioning (A/C) pressure sensor #3 for an intermittent open-circuit according to Open-circuit, intermittent faults
Remedy as necessary
Other information
- Connecting the breakout box/accessing the control module, see Connecting the breakout box .
- Air conditioning (A/C) pressure sensor #2 is the signal cable, #3 is the power supply (5V) and #1 is the signal ground.
- For information about signals on 5-cylinder, see Signal specification or Signal specification .
- Continue
Refer to Information