mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Manifold Differential Pressure Sensor <--> [Manifold Pressure/Vacuum Sensor] > < 3. SES/MIL Lamp Does Not Illuminate With Ignition Switch on|Page 3251
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CONNECTORS

DIAGNOSIS 

CAUTION:  To prevent damage to the scan tool, turn the ignition switch "OFF" before connecting or disconnecting the scan tool.

STEP 1.

Using scan tool MB991502, read the diagnostic trouble code (DTC).
If DTC is not output, go to Step 2.
If DTC is output, refer to Diagnostic Trouble Code Chart.

STEP 2.

Check the circuit at the combination meter connector C-30.
1. Disconnect connector C-30 and measure at the harness side.
2. Disconnect the PCM connector C-39.
3. Check for continuity between connector C-30 terminal 6 and ground.

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There should be no continuity.
If there is continuity, repair the harness wire between the combination meter connector C-30 and the PCM connector C-39.
If there is no continuity, replace the PCM Then confirm that the malfunction symptom is eliminated.

Manifold Differential Pressure Sensor <--> [Manifold Pressure/Vacuum Sensor] > < 3. SES/MIL Lamp Does Not Illuminate With Ignition Switch on|Page 3251