Checking wiring and connectors
Check signal cable between engine control module (ECM) #A21 (#A21) and air conditioning (A/C) pressure sensor terminal 2 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .
Other information
- To connect the breakout box, see Connecting the breakout box .
- To access/replace the control module, see Engine control module (ECM), replacing .
- To access/replace air conditioning (A/C) pressure sensor, see Replacing pressure switch /Pressostat .
- For information about signals, see Signal specification .
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Refer to Information