GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2003 🢒 ION 🢒 Transmission/Transaxle 🢒 Manual Transmission - Getrag 5 Speed 🢒 Diagnostic System Check - Manual Transmission

Circuit Description

Important: Do not perform this check if no driveability concern exists.

The Diagnostic System Check - Manual Transmission is an organized approach to identifying a condition created by an electrical or mechanical malfunction in the manual transmission or its control module. The Diagnostic System Check - Manual Transmission is the starting point for any driveability concern diagnosis. This directs the service technician to the next logical step in order to diagnose the concern. Understanding the table and using it correctly will reduce diagnostic time, and will prevent the replacement of good parts.

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. This test ensures that the scan tool is getting power.

    2.

  2. This test ensures that the scan tool is communicating to the ECM through the local area network (LAN).

    3.

  3. This test checks to see if any ECM related DTCs should be diagnosed first.

    4.

  4. This test checks for ECM failure DTCs.

    5.

  5. This test checks for ECM failure DTCs.

    6.

  6. This test checks to see if the customer concern is with Inspection and Maintenance (I/M) testing.

Step

Action

Yes

No

1

    Important: 

       • Do NOT perform this test if no driveability condition exists.
       • Search for applicable bulletins before proceeding with the diagnosis.
       • Do not turn OFF the ignition when performing this diagnostic table.
       • Do NOT clear the DTCs unless the diagnostic instructs you to do so.

  1. Connect a scan tool to the data link connector (DLC).
  2. Turn ON the ignition, with the engine OFF.

Does the scan tool power-up?

Go to Step 2

Go to Scan Tool Does Not Power Up in Data Link Communications

2

Does the scan tool display the ECM data?

Go to Step 3

Go to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

3

Does the scan tool display any ECM DTCs?

Go to Step 4

Go to Step 8

4

Record the Freeze Frame and Failure Records information with the scan tool.

Did you complete the action?

Go to Step 5

--

5

Does the scan tool display any DTCs that begin with a "U"?

Go to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

Go to Step 6

6

Were any of the ECM DTCs P0601, P0602, P0603, P0606 or P1621?

Go to DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

Go to Step 7

7

Was the DTC a P0500?

Go to Diagnostic Trouble Code (DTC) List/Type

Go to Diagnostic System Check - Engine Controls in Engine Controls - 2.2L (L61)

8

Were any BCM DTCs set?

Go to Diagnostic Starting Point - Body Control System in Body Control Systems

Go to Step 9

9

Is the customer concern with the Inspection/Maintenance (I/M) testing?

Go to Inspection/Maintenance (I/M) System Check in Engine Controls - 2.2L (L61)

Go to Step 10

10
  1. Using the scan tool, clear any DTCs.
  2. Start the engine. Idle at normal operating temperature.
  3. Test drive the vehicle while shifting through all gears.

Does the vehicle operate normally without setting a DTC?

System OK

Go to Diagnostic Trouble Code (DTC) List/Type or Symptoms - Manual Transmission