Toyota Tundra Service Manual > Air Pump: Inspection
INSPECTION PROCEDURE 1. INSPECT AIR PUMP ASSEMBLY (a) Check the heater resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (APH+) - 3 (APHG) -20°C (-4°F) 4.4 to 20.0 Ω -10°C (14°F) 3.9 to 18. ...
