TROUBLESHOOTING GUIDE - Output Devices and Engine Conditions
F-14spec tableOutput Devices and Engine Conditions
Output Devices and Engine Conditions
CRANKING — COLD ENGINE • COLD AIR • COLD COOLANT
Approximate Time (based on 10–16°C or 50–60°F ambient)ZERO
Injector - InjectionRICH
Injector - Injection TimingALL CYLINDERS EACH Ne-SIGNAL
ISC ValveLARGE AMOUNT OF BYPASS AIR
Solenoid Valve (Purge Control)OFF (PURGE CUT)
A/C Relay (A/C Cut-off)OFF (A/C CUT)
Main RelayON
IgniterIGNITION SPARK ADVANCE SIGNAL
COLD START — FAST IDLE • COLD AIR • COLD COOLANT
Approximate Time (based on 10–16°C or 50–60°F ambient)ONE MINUTE
Injector - InjectionRICH
Injector - Injection Timing
ISC ValveLARGE AMOUNT OF BYPASS AIR
Solenoid Valve (Purge Control)OFF (PURGE CUT)
A/C Relay (A/C Cut-off)
Main Relay
Igniter
COLD DRIVEAWAY — PART THROTTLE • COLD AIR • COLD COOLANT
Approximate Time (based on 10–16°C or 50–60°F ambient)TWO MINUTES
Injector - Injection
Injector - Injection Timing
ISC Valve
Solenoid Valve (Purge Control)
A/C Relay (A/C Cut-off)ON (A/C ON)
Main Relay
Igniter
WARM DRIVEAWAY — PART THROTTLE • WARM AIR • WARM COOLANT
Approximate Time (based on 10–16°C or 50–60°F ambient)THREE MINUTES
Injector - InjectionRICH AND LEAN
Injector - Injection Timing2-GROUP
ISC Valve
Solenoid Valve (Purge Control)
A/C Relay (A/C Cut-off)
Main Relay
Igniter
HOT CRUISE • WARM AIR • WARM COOLANT
Approximate Time (based on 10–16°C or 50–60°F ambient)
Injector - Injection
Injector - Injection Timing
ISC ValveSMALL AMOUNT OF BYPASS AIR
Solenoid Valve (Purge Control)OPERATES (DUTY VALUES (PURGE GAS AMOUNT) CHANGE)
A/C Relay (A/C Cut-off)
Main Relay
Igniter
HOT ACCELERATION — 60% THROTTLE
Approximate Time (based on 10–16°C or 50–60°F ambient)
Injector - InjectionRICH
Injector - Injection Timing
ISC Valve
Solenoid Valve (Purge Control)
A/C Relay (A/C Cut-off)OFF (A/C CUT)
Main Relay
Igniter
HOT ACCELERATION — WIDE OPEN THROTTLE
Approximate Time (based on 10–16°C or 50–60°F ambient)MORE THAN FOUR MINUTES
Injector - Injection
Injector - Injection Timing
ISC Valve
Solenoid Valve (Purge Control)
A/C Relay (A/C Cut-off)
Main Relay
Igniter
DECELERATION — CLOSED THROTTLE
Approximate Time (based on 10–16°C or 50–60°F ambient)
Injector - InjectionFUEL CUT
Injector - Injection Timing
ISC ValveLARGE AND SMALL AMOUNT OF BYPASS AIR
Solenoid Valve (Purge Control)OFF (PURGE CUT)
A/C Relay (A/C Cut-off)ON (A/C ON)
Main Relay
Igniter
HOT CURB IDLE — EXTENDED
Approximate Time (based on 10–16°C or 50–60°F ambient)
Injector - InjectionRICH AND LEAN
Injector - Injection Timing2-GROUP
ISC ValveSMALL AMOUNT OF BYPASS AIR
Solenoid Valve (Purge Control)
A/C Relay (A/C Cut-off)
Main Relay
Igniter
HOT ENGINE SHUTDOWN
Approximate Time (based on 10–16°C or 50–60°F ambient)—
Injector - InjectionDOES NOT INJECT
Injector - Injection TimingOFF
ISC ValveOFF
Solenoid Valve (Purge Control)OFF
A/C Relay (A/C Cut-off)OFF
Main RelayOFF
IgniterOFF
NOTE
05U0FX-011