Nissan 200SX S13 silhouetteS13

METER AND GAUGES — Fuel Tank Gauge / Thermal Transmitter / Oil Pressure Switch / Speed Sensor checks

EL-60spec table

Fuel Tank Gauge Unit Check

Fuel-tank gauge unit — float position vs resistance vs fuel volume

G
Ohmmeter (−)E
Marker*1
Float positionFull
Float position mm (in)Approx. 64 (2.52)
Resistance Ω4.3 – 6.3
Fuel volume ℓ (Imp gal)57.6 (12-5/8)
G
Ohmmeter (−)E
Marker*2
Float position1/2
Float position mm (in)Approx. 137 (5.39)
Resistance Ω27.7 – 34.3
Fuel volume ℓ (Imp gal)32.9 (7-1/4)
G
Ohmmeter (−)E
Marker*3
Float positionEmpty
Float position mm (in)Approx. 210 (8.27)
Resistance Ω73.3 – 84.8
Fuel volume ℓ (Imp gal)7.2 (1-5/8)

Thermal Transmitter Check

Thermal transmitter — water temp vs resistance

60 °C (140 °F)
ResistanceApprox. 70 – 90 Ω
100 °C (212 °F)
ResistanceApprox. 21 – 24 Ω

Oil Pressure Switch Check

Oil pressure switch — operating threshold

Engine start
Oil pressure kPa (bar, kg/cm², psi)More than 10 – 20 (0.10 – 0.20, 0.1 – 0.2, 1.4 – 2.8)
ContinuityNO
Engine stop
Oil pressure kPa (bar, kg/cm², psi)Less than 10 – 20 (0.10 – 0.20, 0.1 – 0.2, 1.4 – 2.8)
ContinuityYES

Speed Sensor Signal Check

Speed sensor — output voltage check

  1. 1
    Remove speed sensor from transmission. Location: refer to "Location of Electrical Units".
  2. 2
    Turn speedometer pinion quickly and measure voltage across (a) and (b). Approximately 0.5 V (alternating current, A.C.).

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