Turn the ignition switch to "OFF". | ||
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Disconnect the rear injector 2P gray connector. Check for loose or poor contact on the rear injector 2P brown connector.![]() | ||
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Connect the rear injector 2P brown connector. Place the motorcycle on its side stand. Turn the ignition switch to "ON". Check that the MIL blinks. ![]() | Does not blink → | Loose or poor contact on the rear injector 2P brown connector. |
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13 blinks | ||
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Turn the ignition switch to "OFF". Disconnect the rear injector 2P brown connector and measure the resistance of the rear injector. ![]() Connection:Black/white (+) - Pink/yellow (-) Standard: 11.1-12.3 Ω (20°C/68°F) | Abnormal → | Faulty rear injector. |
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Normal | ||
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Check for continuity between the rear injector and ground.![]() Connection: Black/white (+) - Ground (-) Standard: No continuity | Continuity → | Faulty rear injector. |
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No continuity | ||
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Turn the ignition switch to "ON". Measure the voltage between the rear injector 2P brown connector of the wire harness side and ground. ![]() Connection: Black/white (+) - Ground (-) Standard: Battery voltage | Out of range → | Open or short circuit in the Black/white wire. |
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Voltage exists | ||
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Turn the ignition switch to "OFF". Connect the rear injector 2P brown connector. ![]() | ||
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Disconnect the ECM connectors. Connect the test harness to the wire harness connectors. ![]() | ||
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Measure the resistance at the test harness terminals.![]() Connection: A2 (-) - B2 (+) Standard: 9-15 Ω (20°C/68°F) | Out of range → | Open circuit in the Black/white and/or Pink/blue wire. |
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Normal | ||
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Check for continuity between the test harness terminal and ground.![]() Connection: A2 - Ground Standard: No continuity | Continuity → | Short circuit in the Pink/blue wire. |
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No continuity | ||
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Replace the ECM with a new one, and inspect it again. |