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Home >> Suzuki >> 2009 >> Equator RMZ-4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine General Information And Diagnosis (Qr25DE)) >> Diagnostic Information ad Procedures >> SDT Function (Engine / Powertrain) >> Active Test Mode >> Test Item
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Test Item

WARNING: This page is about a different variant/trim than selected.
ITEM CONDITION CHART

TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJECTION
  • Engine: Return to the original trouble condition
  • Change the amount of fuel injection using SDT.
 If trouble symptom disappears, see .
  • Harness and connectors
  • Fuel injector
  • A/F sensor 1
IGNITION TIMING
  • Engine: Return to the original trouble condition
  • Timing light: Set
  • Retard the ignition timing using SDT.
 If trouble symptom disappears, see .
  • Perform Idle Air Volume Learning.
POWER BALANCE
  • Engine: After warming up, idle the engine.
  • A/C switch OFF
  • Shift lever: P or N (A/T), Neutral (M/T)
  • Cut off each injector signal one at a time using SDT.
 Engine runs rough or dies.
  • Harness and connectors
  • Compression
  • Fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil
ENG COOLANT TEMP
  • Engine: Return to the original trouble condition
  • Change the engine coolant temperature using SDT.
 If trouble symptom disappears, see .
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injector
FUEL PUMP RELAY
  • Ignition switch: ON (Engine stopped)
  • Turn the fuel pump relay ON and OFF using SDT and listen to operating sound.
 Fuel pump relay makes the operating sound.
  • Harness and connectors
  • Fuel pump relay
PURG VOL CONT/V
  • Engine: After warming up, run engine at 1,500 rpm.
  • Change the EVAP canister purge volume control solenoid valve opening percent using SDT.
 Engine speed changes according to the opening percent.
  • Harness and connectors
  • Solenoid valve
FUEL/T TEMP SEN
  • Change the fuel tank temperature using SDT.
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve ON and OFF with the SDT and listen to operating sound.
 Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve
V/T ASSIGN ANGLE
  • Engine: Return to the original trouble condition
  • Change intake valve timing using SDT.
 If trouble symptom disappears, see .
  • Harness and connectors
  • Intake valve timing control solenoid valve
ALTERNATOR DUTY
  • Engine: Idle
  • Change duty ratio using SDT.
 Battery voltage changes.
  • Harness and connectors
  • IPDM E/R
  • Alternator
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