Signal Too High. Intermittent Fault

Intermittent fault, signal too high

Checking components and wiring
Check that the resistance between the air conditioning (A/C) relay terminals 1 and 2 is approximately 105 ohms at +20°C.
Check the signal cable between the engine control module (ECM) terminal #68 and air conditioning (A/C) relay terminal 2 for an intermittent short-circuit to supply voltage and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.

Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000.













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