Power Solutions International

22 2

UnclassifiedFuel

What This Code Means

TPS2 voltage low (< 1.00 VDC) at 0% TPS; TPS2 voltage <0.2 VDC with throttle closed; TPS2 voltage <0.2 VDC with throttle open; TPS2 voltage falls below 0.2 VDC

Possible Causes

  • •Intermittent Problem
  • •Poor Throttle Connection
  • •Faulty Throttle

Suggested Actions

  1. 1Perform On-Board (OBD) System Check
  2. 2Enable 'DBW Test' mode and check if TPS2 voltage is low (< 1.00 VDC) at 0% TPS
  3. 3Slowly depress FP or sweep throttle via DBW page and observe TPS2 voltage
  4. 4Disconnect throttle from harness
  5. 5Slowly release FPP sensor while observing TPS2 voltage
  6. 6Jumper 5Vref1 to TPS2 signal circuit at throttle connector and check if TPS2 voltage is >4.0 VDC

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