Toyota Supra 1990 Manual page 185

EFI SYSTEM - Troubleshooting
FI-11
Digital Type
Analog Type
' "
71
~
..
'\
~{~+@
V 1 0 - / -@
F 10889
CHECK POWER SOURCE
1
OK
CHECK STARTING SYSTEM
4. Use a volt/ohmmeter with high impedance (10 kO IV mini-
mum) for troubleshooting of the electrical circuit. (See
pages FI-30, 49)
TROUBLESHOOTING PROCEDURES
SYMPTOM - DIFFICULT TO START OR NO START
(ENGINE WILL NOT CRANK OR CRANKS SLOWLY)
1. Battery
(1) Connection
BAD
(2) Gravity - drive belt - charging system
(3) Voltage
2. Fusible links
1. Ignition switch
2. Starter
BAD
3. Starter relay
(MIT,
USA
A/T)
4. Clutch start switch
(MIT)
5. Neutral start switch
(A/T)
6. WiringlConnection