How To Proceed With Troubleshooting

VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
1. Measure the battery voltage.
  Standard voltage: 11 to 14 V
  
  If the voltage is below 11V, recharge or replace the battery before proceeding.

PROBLEM SYMPTOM CONFIRMATION

Result

RESULT REFERENCE

Result	Proceed to
Malfunction does not occur	A
Malfunction occurs	B

B: GO TO STEP 5

A: Go to Next Step

SYMPTOM SIMULATION
CHECK FOR DIAGNOSTICS TROUBLE CODE OF SFI SYSTEM
1. When no code is output, proceed to A.
2. When any of code P1450, P1451, P1452, P1453, P2450 or P2451 is output, proceed to B (See DIAGNOSTIC TROUBLE CODE CHART ).
B: GO TO SFI SYSTEM

A: Go to Next Step
PROBLEM SYMPTOMS TABLE
1. When the problem is not listed on the problem symptoms table, proceed to A.
2. When the problem is listed on the problem symptoms table, proceed to B.
B: GO TO STEP 8

A: Go to Next Step
OVERALL ANALYSIS AND TROUBLESHOOTING
1. See DATA LIST / ACTIVE TEST
2. See TERMINALS OF ECU
ADJUSTMENT, REPAIR OR REPLACE
CONFIRMATION TEST
NEXT: END