Difficult To Start Or No Start (Engine Will Not Crank/Cranks Slowly); Difficult To Start Or No Start (Cranks Ok); Troubleshooting - Toyota 3F-E Repair Manual Supplement

FI-10
CHECK ELECTRIC SOURCE
OK
CHECK STARTING SYSTEM
SYMPTOM - DIFFICULT TO START OR NO START (CRANKS OK)
CHECK DIAGNOSIS SYSTEM
Check for output of diagnostic code.
(See page FI-21)
Normal code
DOES ENGINE START WITH
ACCELERATOR PEDAL
DEPRESSED?
NO
CHECK FOR VACUUM LEAKS IN
AIR INTAKE LINE
OK
CHECK IGNITION SPARK
(See page IG-5)
OK CONTINUED ON PAGE FI-11

Troubleshooting

EFI SYSTEM —
4. Use a volt/ohmmeter with high impedance (10 k1 /V
minimum) for troubleshooting of the electrical circuit.
(See page FI-27)
TROUBLESHOOTING
- DIFFICULT
SYMPTOM
(ENGINE
WILL NOT
BAD
BAD
Malfunction
code(s)
OK
BAD
BAD
PROCEDURES
TO START OR NO START
CRANK OR CRANKS SLOWLY)
1. Battery
(1) Connection
(2) Gravity — Drive belt — charging system
(3) Voltage
2. Fusible links
1. Ignition switch
2. Starter
3. Neutral start switch
4. Wiring/Connection
Diagnostic code(s)
(See pages FI-24, 25)
ISC system
(1) ISC valve
(2) Wiring connection
1. Oil filler cap
2. Oil dipstick
3. Hose connections
4. PCV hoses
5. EGR system — EGR valve stays open
1. High-tension cords
2. Distributor
3. Ignition coil
4. Igniter