Metro L3-061 1.0L VIN 6 TBI (1998)
A short to ground of the BRN/YEL wire may cause an open in the TAIL fuse.
Check for a faulty electrical connection to the PCM. An intermittent malfunction may be caused by a fault in the electrical load idle-up circuit. Inspect
the wiring harness and components for any of the following conditions:
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Backed out terminals.
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Improper mating of terminals.
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Broken electrical connector locks.
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Improperly formed or damaged terminals.
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Faulty terminal to wire connections.
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Physical damage to the wiring harness.
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A broken wire inside the insulation.
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Corrosion of electrical connections, splices, or terminals.
Test Description
The numbers below refer to the step numbers in the Diagnostic Table.
1. The Powertrain OBD System Check prompts the technician to complete some basic checks and store the freeze frame data on the scan tool if
applicable. This creates an electronic copy of the data taken when the fault occurred. The information is then stored in the scan tool for later
reference.
2. This step checks for the electrical load idle-up signal to the PCM.
7. This step checks for each electrical input to the diode module.