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Table 4 contains the requisite checks for when the
engine does not start although TECH 1 is receiving data from the control unit
and no trouble code is stored.
The following points must be checked:
1. Battery voltage
must be exceed 8 volts during starting operation.
2. Read off engine
speed from TECH 1 in Data List "F0" during starting operation.
Cranking speed between 100 and 300 rpm. If the cranking speed varies
considerably, there may be a loose contact in the inductive pulse pick-up
signal lead.
3. Check fuel
pressure in the feed and return lines.
4. Fuel pump relay
is active, pump runs for approx. 2 sec. after ignition "ON".
5. Compression
6. Primary voltage
7. Secondary voltage
8. Leaky intake
manifold
9. Catalytic
converter damage - blocked exhaust line
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