Mazda MX-5 NA silhouetteMX-5 NA

LIGHTING SYSTEM

T-88prose procedure
Continued from T-87

Symptom: Interior lamp(s) remains illuminated with doors closed. (Control switch: DOOR position)

Step 1

  1. 1
    Disconnect the door switch connectors, and check continuity of each switch as shown.
    Door switch component held in hand with voltmeter probes attached for continuity testing — illustrating Step 1.
    05U0TX-186

Door switch continuity (Step 1)

Pushed
ContinuityNo
Released
ContinuityYes

Step 1 (continued)

  1. 2
    If not as specified, replace the door switch.
  2. 3
    If the switches are OK go to Step 2.

Step 2

  1. 1
    Close both doors.
    Interior lamp connector continuity test setup with ohmmeter probes on terminal-wire (R/W) and body ground.
    05U0TX-187
  2. 2
    Disconnect the interior lamp connectors, and check continuity between terminal-wire (R/W) and a body ground.

Interior lamp (R/W)—body ground continuity (Step 2)

(R/W)—Body ground
ContinuityYes
ActionRepair wire (R/W) (Interior lamp—Door switch)
(R/W)—Body ground
ContinuityNo
ActionReplace interior lamp assembly

Inspection

Door switch

Door switch — Inspection

  1. 1
    Disconnect the door switch connector, and check continuity of the switch as shown.
    Door switch held in hand with voltmeter probes for continuity inspection — illustrating the Door switch Inspection procedure.
    05U0TX-188

Door switch continuity (Inspection)

Pushed
ContinuityNo
Released
ContinuityYes

Door switch — Inspection (continued)

  1. 2
    If not as specified, replace the door switch.
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See also

Step 2

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