Protege DX L4-1.6L DOHC (2000)
4. Inspect for an open or short circuit in the following wiring harnesses by probing the applicable sensor and SST (104 Pin Breakout Box) terminals
with ohmmeter leads.
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If there is an open or short circuit, repair or replace wiring harnesses.
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If there is no open or short circuit, replace the main relay.
Open circuit
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Main relay power supply circuit (Main relay connector terminal A and ignition switch (IG1) connector through common connector)
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PCM power supply circuit (Main relay terminal C and battery positive terminal through common connector)
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GND circuit (Main relay connector terminal B and GND through common connector)
Short circuit
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Main relay power supply circuit (Main relay connector terminal A and ignition switch (IG1) connector through common connector to GND)
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PCM power supply circuit (Main relay connector terminal C and battery positive terminal through common connector to GND)
5. Reconnect the main relay.