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FI-12
EFI SYSTEM - Troubleshooting
SYMPTOM -
DIFFICULT TO START OR NO START (CRANKS OK)
CHECK DIAGNOSIS SYSTEM
Diagnostic code(s) (See page FI-26)
Check for output of diagnostic code.
Malfunction
(See page F 1-23)
code(s)
Normal code
DOES ENGINE START WITH
-
ISC system
ACCELERATOR PEDAL DEPRESSED?
OK
(1) ISC valve
(2) Wiring connection
NO
CHECK FOR VACUUM LEAKS IN AIR
1. Oil filler cap
INTAKE LINE
BAD
2. Oil dipstick
3. Hose connections
4. PCV hose
5. E G R system - E G R valve stays open
OK
CHECK IGNITION SPARK
f - - - - - - - -
.
1. H igh-tension cords
7M-GE
(See page I G-5)
BAD
2. Distributor (7M-GE) or cam position
7M-GTE (See page I G-1 0)
sensor (7M-GTE)
3. Ignition coil
4. Igniter
OK
CHECK SPARK PLUGS
1.
Spark plugs
Plug gap:
7M-GE
1.1 mm (0.043 in.)
NO
2. Compression pressure
7M-GTE 0.8 mm (0.031 in.)
Minimum: 9.0 kg/cm
2
(128 psi, 883 kPa)
- HINT-
at 250 rpm
Check compression pressure and valve
3. Valve clearance
clearance if necessary.
Standard:
IN
0.15 - 0.25 mm
(0.006 - 0.010 in.)
EX 0.20 - 0.30 mm
(0.008 - 0.012 in.)
1. Injector - Shorted or leaking
BAD
2. I njector wiring - Short circu ited
[
All
J
Plugs
3. Cold start injector - Leakage
WET
(See page FI-77)
4. Cold start injector time switch
(See page FI-112)
OK CONTINUED ON PAGE FI-13
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Troubleshooting
