Toyota Land Cruiser 1988 Repair Manual page 151

Fl-20 EFI SYSTEM -Troubleshooting
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CONTINUED FROM PAGE Fl-19
CHECK SPARK PLUGS
Plug gap: 0.8 mm (0.031 in.)
NOTE: Check compression pressure and
valve clearance if necessary.
~OK
CHECK EFI ELECTRONIC CIRCUIT
USING VOLT/OHMMETER
(See page Fl-27)
1 - - - - - - t
1. Spark plugs
NO 2. Compression pressure
Minimum: 8.0 kg/cm
2
(114 psi, 785 kpa)
at 200 rpm
3. Valve clearance (Hot)
Standard: IN 0.20 mm (0.008 in.)
EX 0.35 mm (0.014 in.)
1----~
1. Wiring connections
BAD 2. Power to ECU
(1) Fusible links
(2) Fuses
(3) EFI main relay (See page Fl-74)
3. Air flow meter (See page Fl-66)
4. Water temp. sensor (See page FJ-77)
5. Air temp. sensor (See page Fl-66)
6. Throttle position sensor (See page Fl-68)
. 7. Injection signal circuit
(1) Injector wiring
(2) ECU (See page Fl-82)