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 18.0 Ω
0°C (32°F)
3.5 to 16.0 Ω
10°C (50°F)
3.2 to 15.0 Ω
20°C (68°F)
3.0 to 14.0 Ω
*a
Component without harness connected
(Air Pump Assembly)
If the result is not as specified, replace the air pump assembly.
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