B2300 SE Regular Cab 2WD L4-2.3L VIN A (1997)
FUNCTION
SPOUT is a pulse width modulated digital signal which is used internally by PCM as a calculated spark target.
REMARKS
SPOUT signal circuit is enclosed in PCM.
EEC PWR Fuse (PCM Memory Power)
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If the EEC PWR fuse circuit has an open or short, Diagnostic Trouble Code No. P0603, P1605 is output.
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It the circuit is open, the PCM memory function will not operate and Diagnostic Trouble Codes for intermittent malfunctions will not be indicated.
Also,the learning control will be canceled. If the circuit is shorted, the EEC PWR fuse (30A) will burn out.
Ground
If there is a poor ground, the engine may not start.
Battery Disconnection Note
NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module
relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.
