Mazda MX-5 NA silhouetteMX-5 NA

LIGHTING SYSTEM

T-52prose procedure

U.S. spec. uses wire (W/B); Canada spec. uses wire (W/R) at retractor relay.

Continued from T-51

Headlight retractor motors do not operate — continued

  1. 4
    Turn off the retractor switch. Turn on the headlight switch. Measure the voltage at the following terminal-wires of the retractor relay connector.
    Voltmeter test setup at the retractor relay connector. The disconnected relay connector is shown at top-left with wire callouts (W/R), (R/Y), (B), and (R/G). A label notes 'U.S. SPEC. (W/B)' and 'CANADA SPEC. (W/R)'. Illustrates Step 4 voltage measurement.
    05U0TX-100
  2. 5
    Measure the voltage at the terminal-wires of the retractor switch.
    Voltmeter test setup at the retractor switch connector. The instrument panel area is shown with the retractor switch removed; the disconnected switch connector has wire callouts (R/L), (R/Y), and (R/G). Illustrates Step 5 voltage measurement.
    05U0TX-101

Step 4 — U.S. spec. retractor relay voltage measurement

(R/G)
Voltage12V
ActionNext check wire (W/B)
(R/G)
Voltage0V
ActionGo to Step 5
(W/B)
Voltage12V
ActionNext check wire (B)
(W/B)
Voltage0V
ActionRepair wire (W/B) (Headlight relay—Retractor relay)
(B)
Voltage12V
ActionRepair ground wire (B)
(B)
Voltage0V
ActionNext check wire (R/Y)
(R/Y)
Voltage12V
ActionRepair wire (R/Y) (Retractor relay—Retractor motor)
(R/Y)
Voltage0V
ActionReplace retractor relay

Step 4 — Canada spec. retractor relay voltage measurement

(R/G)
Voltage12V
ActionNext check wire (W/R)
(R/G)
Voltage0V
ActionGo to Step 5
(W/R)
Voltage12V
ActionNext check wire (B)
(W/R)
Voltage0V
ActionRepair wire (W/R) (Headlight switch—Retractor relay)
(B)
Voltage12V
ActionRepair ground wire (B)
(B)
Voltage0V
ActionNext check wire (R/Y)
(R/Y)
Voltage12V
ActionRepair wire (R/Y) (Retractor relay—Retractor motor)
(R/Y)
Voltage0V
ActionReplace retractor motor

Step 5 — Retractor switch voltage measurement

(R/L)
Retractor switchAny position
Voltage12V
ActionNext check wire (R/G) and (R/Y)
(R/L)
Retractor switchAny position
Voltage0V
ActionRepair wire (R/L) (Retract 30A—Retractor switch)
(R/G)
Retractor switchOFF
Voltage12V
ActionRepair wire (R/G) (Retractor switch—Retractor motor)
(R/G)
Retractor switchOFF
Voltage0V
ActionReplace retractor switch
(R/Y)
Retractor switchON
Voltage12V
ActionRepair wire (R/Y) (Retractor switch—Retractor motor)
(R/Y)
Retractor switchON
Voltage0V
ActionReplace retractor switch
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