Trouble Diagnoses — Consult (Cont'd)
EF & EC-421spec tableMany specs differ between SR20DE and SR20DET (INJ PULSE, IGN TIMING). W/G CONT S/V applies to turbocharger (SR20DET) models only.
Consult (Cont'd)
Data Monitor Mode (continued)
RADIATOR FAN
Condition• Engine: After warming up, idle the engine. • A/C switch "OFF" / Engine temperature is 99°C (210°F) or less
SpecificationOFF
Check Item When Outside Spec.• Harness and connector • Radiator fan relay • Radiator fan
RADIATOR FAN
Condition• Engine: After warming up, idle the engine. • A/C switch "OFF" / Engine temperature is 100°C (212°F) or more
SpecificationON
Check Item When Outside Spec.• Harness and connector • Radiator fan relay • Radiator fan
INJ PULSE
Condition• Engine: After warming up • A/C switch "OFF" • Shift lever "N" • No-load / Idle
SpecificationSR20DE: 2.4 - 3.2 msec.
SR20DET: 1.7 - 2.5 msec.
Check Item When Outside Spec.• Harness and connector • Injector • Air flow meter • Intake air system
INJ PULSE
Condition• Engine: After warming up • A/C switch "OFF" • Shift lever "N" • No-load / 2,000 rpm
SpecificationSR20DE: 1.9 - 2.8 msec.
SR20DET: 1.5 - 2.3 msec.
Check Item When Outside Spec.• Harness and connector • Injector • Air flow meter • Intake air system
IGN TIMING
Conditionditto / Idle
SpecificationSR20DE: 15° B.T.D.C.
SR20DET: 20° B.T.D.C.
Check Item When Outside Spec.• Harness and connector • Crank angle sensor
IGN TIMING
Conditionditto / 2,000 rpm
SpecificationSR20DE: More than 25° B.T.D.C.
SR20DET: More than 30° B.T.D.C.
Check Item When Outside Spec.• Harness and connector • Crank angle sensor
AAC VALVE
Conditionditto / Idle
Specification20 - 40%
Check Item When Outside Spec.• Harness and connector • A.A.C. valve
AAC VALVE
Conditionditto / 2,000 rpm
Specification—
Check Item When Outside Spec.• Harness and connector • A.A.C. valve
A/F ALPHA
Condition• Engine: After warming up / Maintaining engine speed at 2,000 rpm
Specification75 - 125%
Check Item When Outside Spec.• Harness and connector • Injector • Air flow meter • Exhaust gas sensor • Canister purge line • Intake air system
AIR COND RLY
Condition• Air conditioner switch OFF → ON
SpecificationOFF → ON
Check Item When Outside Spec.• Harness and connector • Air conditioner switch • Air conditioner relay
W/G CONT S/V*
Condition• Use unleaded premium fuel. • Shift lever "N" / Idle
SpecificationOFF
Check Item When Outside Spec.• Harness and connector • Wastegate valve control solenoid valve
W/G CONT S/V*
Condition• Use unleaded premium fuel. • Shift lever "N" / Race engine up to 2,000 rpm
SpecificationON
Check Item When Outside Spec.• Harness and connector • Wastegate valve control solenoid valve