Mazda MX-5 NA silhouetteMX-5 NA

LIGHTING SYSTEM — Inspection

T-56prose procedureUnverified

Headlight switch continuity layout is the U.S. spec. variant; Canada spec. likely follows.

Inspection

Retractor motor

Retractor motor inspection

  1. 1
    Disconnect the motor link.
  2. 2
    Disconnect the retractor motor connector.
  3. 3
    Connect 12V to terminal f and ground terminal a of the motor connector.
    Bench test setup of the retractor motor: a 12V battery is connected to the motor connector with jumper leads. Terminal letters c, b, d, a are labeled on the connector. Illustrates Step 3/4 — motor operation check.
    05U0TX-110
  4. 4
    Check the motor operation when connecting 12V as shown.
  5. 5
    If not as specified, replace the retractor motor.

Retractor motor operation check

c
Terminal Grounda
Motor operationMotor rotates to raised position
d
Terminal Grounda
Motor operationMotor rotates to retracted position

Retractor switch

Retractor switch inspection

  1. 1
    Remove the retractor switch.
  2. 2
    Check for continuity between terminals of the switch.
    Retractor switch removed from instrument panel, viewed from connector side. Terminal letters c, d, b are visible on the switch connector. Illustrates Step 2 — continuity check between switch terminals.
    05U0TX-111
  3. 3
    If not as specified, replace the retractor switch.

Retractor switch continuity

Off
bO—O
d
f
On
b
dO—O
fO—O

Headlight switch — U.S. spec.

Headlight switch (U.S. spec.) inspection

  1. 1
    Remove the knee protector.
  2. 2
    Disconnect the combination switch connector.
  3. 3
    Check for continuity between terminals of the switch.
    Internal wiring schematic of the headlight switch (U.S. spec.) showing connections among HEAD LIGHT RELAY, HEAD relay (BA, B, TNS labels), TNS RELAY, and switch terminals HL, HU, HO, HC, E, BA, B, TNS. Illustrates Step 3 — continuity check between terminals.
    05U0TX-112
  4. 4
    If not as specified, replace the combination switch as an assembly.

Headlight switch (U.S. spec.) continuity

Headlight
Low beam
EO
HLO
HU
TNS
HEADO
BAO
BO
Headlight
High beam
EO
HL
HUO
TNS
HEADO
BAO
BO
Passing
EO
HL
HUO
TNS
HEAD
BA
BO
Tail, Parking
E
HL
HU
TNSO
HEAD
BAO
BO

Search Manual

Search pages, specs, and procedures