Nissan 100NX N14 silhouetteN14

Thermoswitch (GA13DS, GA14DS & GA16DS)

LC-20prose procedure

Operating temperatures differ between 'Except for A/T models for hot areas' and 'A/T models for hot areas' (the latter has two terminals with distinct thresholds).

ENGINE COOLING SYSTEM

Thermoswitch (GA13DS, GA14DS & GA16DS)

INSPECTION

  1. 1
    Drain about one liter of coolant.
  2. 2
    Remove thermoswitch.
  3. 3
    Check thermoswitch for proper operation.
    Illustration showing the thermoswitch suspended in a heated container of water with a thermometer, and two ohmmeter (Ω) test setups for checking continuity. Left meter labeled 'Except for A/T models for hot areas'; right meter labeled 'A/T models for hot areas' with terminal callouts 1 and 2.
    SLC511A

Thermoswitch operating temperature

Except for A/T models for hot areas
TransitionOFF → ON
Terminal—
Operating temperature82 - 88°C (180 - 190°F)
A/T models for hot areas
TransitionOFF → ON
Terminal1
Operating temperature82 - 88°C (180 - 190°F)
A/T models for hot areas
TransitionOFF → ON
Terminal2
Operating temperature102 - 108°C (216 - 226°F)
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