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Home >> Saturn >> 2004 >> Ion 1 Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Diagnostic Information and Procedures >> DTC P0462 >> Test Description

Test Description

The number below refers to the step number on the diagnostic table.

  1. 3:  Tests for the proper operation of the circuit in the high voltage range.
DTC P0462

Step Action Values Yes No
Schematic Reference: Instrument Cluster Schematics 
1 Did you perform the Diagnostic System Check - Instrument Cluster? - Go to Step 2  Go to Diagnostic System Check - Instrument Cluster 
2
  1. Install a scan tool.
  2. Turn the ignition ON, with the engine OFF.
  3. With a scan tool, observe the Fuel Level parameter in the engine control module (ECM)/powertrain control module (PCM) engine data list.
Does the scan tool indicate that the Fuel Level parameter is less than the specified value?		 3.5% Go to Step 3  Go to Diagnostic Aids
3 
  1. Turn the ignition OFF.
  2. Disconnect C406.
  3. Turn the ignition ON, with the engine OFF.
  4. With a scan tool, observe the Fuel Level parameter.
Does the scan tool indicate that the Fuel Level parameter is greater than the specified value?		 98% Go to Step 5  Go to Step 4 
4 Test the signal circuit of the fuel level sender for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 7 
5 Test the signal circuit of the fuel level sender for a short to ground between C406 and the fuel level sender. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 6 
6 Inspect for poor connections at the harness connector of the fuel level sender. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 8 
7 Inspect for poor connections at the harness connector of the ECM/PCM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 9 
8 Replace the fuel level sender. Refer to Fuel Level Sensor Replacement in Engine Controls - 2.2L (L61) or to Fuel Level Sensor Replacement in Engine Controls - 2.2L (LSJ).
Did you complete the replacement?		 - Go to Step 10  -
9
IMPORTANT: Program the replacement ECM/PCM.
Replace the ECM/PCM. Refer to Engine Control Module (ECM) Replacement in Engine Controls - 2.2L (L61) or to Powertrain Control Module (PCM) Replacement in Engine Controls - 2.0L (LSJ).Did you complete the replacement?		 - Go to Step 10  -
10
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 - Go to Step 2  System OK
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