6-30 ENGINE GENERAL INFORMATION AND DIAGNOSIS (TBI FOR G10)
SCAN TOOL DATA CONDITION
NORMAL CONDITION/
REFERENCE VALUES
DESIRED IDLE At idling with no load after warming up, M/ T
at neutral, A/ T at “P” range
TP SENSOR VOLT
(THROTTLE POSITION
Ignition switch
Throttle valve fully closed More than 0.2 V
stopped
Throttle valve fully open Less than 4.8 V
INJ PULSE WIDTH
(FUEL INJECTION
At specified idle speed with no load after
warming up
0.8 – 2.3 msec.
PULSE WIDTH)
At 2500 r/ min with no load after warming up 0.8 – 2.3 msec.
IAC FLOW DUTY (IDLE
AIR CONTROL FLOW
DUTY)
At idling with no load after warming up 20 – 40%
TOTAL FUEL TRIM At specified idle speed after warming up –35 – +35%
BATTERY VOLTAGE Ignition switch ON/ engine stop 10 – 14 V
CANIST PRG DUTY
(EVAP CANISTER
PURGE FLOW DUTY)
At specified idle speed after warming up
0 – 100%
CLOSED THROT POS
Throttle valve at idle position ON
POSITION)
Throttle valve opens larger than idle position OFF
When engine is at fuel cut condition ON
Other than fuel cut condition OFF
RAD FAN
(RADIATOR FAN
Ignition switch
Engine coolant temp.:
Lower than 92.5_C
(199_F)
OFF
Engine coolant temp.:
97.5_C (208_F) or higher
ON
Ignition switch ON/ Headlight, small light,
heater fan and rear window defogger all
turned OFF
OFF
Ignition switch ON/ Headlight, small light,
heater fan or rear window defogger turned
ON
ON
Engine running after warming up, A/ C not
operating
OFF
Engine running after warming up, A/ C
operating
ON
PSP SWITCH
Engine running at idle speed and steering wheel
at straight-ahead position.
OFF
(if equipped).
Engine running at idle speed and steering wheel
turned to the right or left as far as it stops.
ON
FUEL TANK LEVEL
––––––––––––
0 – 100%
BAROMETRIC PRESS –––––––––––– Display the barometric pressure
FUEL PUMP
Within 3 seconds after ignition switch ON or
engine running
ON
Engine stop at ignition switch ON. OFF
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