Signal Too Low. Intermittent Fault

Signal too low. Intermittent fault

Checking components and wiring
Check the signal cable between engine control module (ECM) terminal #66 and system relay terminal 3 for an intermittent short-circuit to ground and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults and for an intermittent open-circuit 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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