Mazda MX-3 silhouetteMX-3

TROUBLESHOOTING

G-26prose procedure

K8-specific two-speed condenser fan diagnostic continuation.

Continued from G-25

Step 1

  1. 1
    Connect a jumper wire between the (R/Y) terminal wire of the condenser fan relay No.2 connector and ground.
    Condenser fan relay No.2 location in the engine bay with a jumper wire on the (R/Y) terminal routed to ground.
  2. 2
    Turn the ignition switch to ON.
  3. 3
    Verify that the condenser fan operates at high speed.

Condenser fan speed / Action (Step 1)

High
ActionCheck ECM (Refer to 1995 MX-3 Workshop Manual, section F2)
Low
ActionGo to Step 4
Does not operate
ActionGo to Step 2

Step 2

  1. 1
    Verify that the jumper wire is connected and the ignition switch is at ON.
  2. 2
    Measure the voltage at the (L) terminal wire of the condenser fan connector.
    B+: Battery positive voltage
    Condenser fan connector location with a voltmeter connected. Connector pin diagrams for (L) and (R/Y) shown as insets.

Voltage / Action (Step 2)

B+
ActionCheck condenser fan (Refer to page G-63)
Other
ActionGo to Step 3

Step 3

  1. 1
    Verify that the jumper wire is connected and the ignition switch is at ON.
  2. 2
    Measure the voltage at the following terminal wires of the condenser fan relay No.2 connector.
    B+: Battery positive voltage
    Condenser fan relay No.2 location with a voltmeter connected. Terminal wires (L/Y), (GY), (L), (R/Y) labeled on the connector.

Wire / Voltage / Action (Step 3)

(GY)
VoltageB+
ActionMeasure voltage at (L/Y) wire
(GY)
VoltageOther
ActionRepair wiring harness (REAR WIPER 10A fuse—Condenser fan relay No.2)
(L/Y)
VoltageB+
ActionMeasure voltage at (L) wire
(L/Y)
VoltageOther
ActionRepair wiring harness (A/D FAN 40A fuse—Condenser fan relay No.2)
(L)
VoltageB+
ActionRepair wiring harness (Condenser fan relay No.2—Condenser fan)
(L)
VoltageOther
ActionReplace condenser fan relay No.2

Step 4

  1. 1
    Verify that the jumper wire is connected and the ignition switch is at ON.
  2. 2
    Measure the voltage at the (L/G) terminal wire of the condenser fan connector.
    B+: Battery positive voltage
    Condenser fan connector location with connector pin diagrams for (L/G) and (R/Y) shown as insets.

Voltage / Action (Step 4)

0V
ActionCheck condenser fan (Refer to page G-63)
Other
ActionGo to Step 5
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See also

1995 MX-3 Workshop Manual section F2page G-63

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