Choke Magnet; Hot Start Assist Relay; Choke Switch Terminal Numbering - Mazda 1983 RX7 Service Manual

CHOKE MAGNET

Disconnect electrical connector from choke switch. Using an
ohmmeter, check continuity between terminals. Continuity should exist
between terminals No. 6 and No. 8. See Fig. 3.
Fig. 3:

Choke Switch Terminal Numbering

HOT START ASSIST SYSTEM
NOTE: Before replacing hot start motor or relay, check No. 1 water
temperature switch as outlined in "Mazda RX7 Auxiliary
Control Device" article in this section.
1) Inspect hot start assist cable and linkage for proper
installation, no binding or sticking, and full return. Warm engine to
normal operating temperature and stop engine.
2) Disconnect leading and trailing primary wires from
ignition coils. Crank engine. Hot start lever should open throttle
valve. If hot start system does not respond as outlined, check hot
start assist relay.

HOT START ASSIST RELAY

1) Disconnect electrical connector from hot start relay.
Using an ohmmeter, check continuity between terminals. Continuity
should exist between terminals No. 1 and No. 5 without power applied.
Continuity should not exist between terminals No. 1 and No. 3 without
power applied.
2) Connect battery power to relay (positive to terminal No.
2, negative to terminal No. 4). With battery power applied,
continuity should exist between terminals No. 1 and No. 3. Continuity
should not exist between terminals No. 1 and No. 5 with power applied.
Fig. 4: Hot Start Assist Relay
Terminal Numbering
CHOKE - ELECTRIC ASSIST
Article Text (p. 3)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:58PM