Blower Motor; Resistor Assembly - Mazda MX-5 1990 Workshop Manual

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HEATER
Disassembly I Assembly
Disassemble and assemble as shown in the figure.
1 . Blower motor
2. Resistor ass em bly
05UOUX-039
U-22
3. REC-FRESH door
Inspection
Blower motor
05UOUX-037
1. Verify that the blower motor runs when connecting 12V to
terminal a and grounding terminal b.
2. If the blower motor does not run, replace it.
Resistor assembly
1. Check for continuity between terminals of the resistor as-
sembly.
Terminals
Continuity
C-Lo Yes
C-Me
Yes
C-Mh
Yes
C-Hi
Yes
Note
• Set the ohmmeter to the x1,000 range.
2. If not as specified, replace the resistor assembly.