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Home >> Nissan-Datsun >> 2005 >> Sentra SE-R >> Repair and Diagnosis >> Electrical >> Gauges >> Driver Information System >> Board Computer >> Trouble Diagnoses >> Diagnosis Procedure
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Diagnosis Procedure

PROBLEM SYMPTOM TABLE - BOARD COMPUTER

Symptom Possible cause Repair order
Outside air temperature display is not displayed properly. (It may take a short time to steady the indication after ignition switch is turned ON.)
NOTE: If the meter is powered up with the ambient sensor disconnected, outside air temperature display will show "&-" even if the sensor is reconnected. In this case, with the sensor connected, disconnect and reconnect the battery, then the correct temperature will be displayed.
  1. Ambient sensor
  2. Ambient sensor circuit
  3. Vehicle speed sensor signal
  1. Check ambient sensor.
  2. Check harness for open or short between ambient sensor and board computer.
  3. Check harness for open or short between combination meter terminal 17 and vehicle speed sensor.
DTE (distance to empty) is not displayed properly.)
  1. Average fuel consumption display
  2. Fuel tank gauge signal circuit.
  1. Make sure fuel consumption is displayed properly. If NG, check fuel consumption display.
  2. Make sure fuel gauge operates properly. If NG, check fuel gauge.
Trip distance is not indicated properly. 1. Vehicle speed sensor signal circuit 1. Check harness for open or short between combination meter terminal 17 and vehicle speed sensor.
Trip time is not indicated properly. 1. Fuse 1. 10A fuse [No. 12 (located in fuse block (J/B)]. Verify battery voltage is present at combination meter terminal 13.
Average fuel consumption is not displayed properly. 1. Trip distance display
2. Fuel consumption signal		 1. Check harness for open or short between combination meter terminal 17 and vehicle speed sensor.
2. Check CAN lines for open or short between ECM and combination meter.
Average vehicle speed is not indicated properly. 1. Trip distance display
2. Trip time display		 1. Check harness for open or short between combination meter terminal 17 and vehicle speed sensor.
2. Make sure trip time is displayed properly. If NG, check trip time display.
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