Mazda 323 1988 Workshop Manual page 281

i
(
(
MEDIUM LOAD
IDLE IGN: ON
CRANKING WARMING UP HEAVY
(COLO ENGINE] (DURING IDLE]
LOAD
DECELERATION (THROTTLE (ENGINE NOT REMARKS
VALVE
COLD WARM
FULLY CLOSED) RUNNING)
INJECTOR INJECTION Rich
Rich
and
Lean
Rich Fuel Cut Rich Does not
inject
INJEC
TION
TIMING
1 Group
2
Group
2
Group
Above 6,600 rpm
fuel cut
PRCV SOLENOID ON
(vacuum
cut)
OFF
(Vacuum to pressure regulator)
* After start Does not * During hot
ON operate starting
(Vacuum
cut)
SAC AIR
* Open
CbXe
VALVE VALVE
* Coolant temp:
below 60°C (140°F
ISC
VALVE
PURGE No.?
SOLEN-
VID
No.2
Large
amount
of
bypass air
OFF
(Vacuum cut)
OFF
(Vacuum cut)
Small amount of bypass air
* ON
(Vacuum to No.1 purge control valve)
* ON
(Vacuum to vacuum switch valve)
Does not * Test connector
* Large and
small amount operate grounded: small
of bypass air amount
OFF * Positive pressarc
OFF (Vacuum cut)
OFF
* Engine speed:
(Vacuum cut) above 1,500 rpm