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6.3 INTAKE AIR HEATER
6.3.1 Intake Air Heater Test
1. Disconnect the lead from the heater terminal (1).
2. Measure the resistance between the heater positive
terminal (1) and the heater body (2).
3. If the resistance is infinity or significantly different
than the specification, replace the heater.
Intake Air H eater
Resistance
Factory
Specification
0.3 ohms
1. Positive Terminal 2. Heater Body