DTC 61-11

DTC 61-11  : Modulator-Control Unit Power Source Circuit (IG) Low Voltage

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTCs (VSA)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

   -4. Start the engine.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   61-11 Modulator-Control Unit Power Source Circuit (IG) Low Voltage

   Is DTC 61-11 indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

2. VSA modulator-control unit check 1

   -1. Check and note the parameter(s) below with the HDS.

   Signal	Current conditions
   	Values	Unit
   BATTERY VOLTAGE

   -2. Wait for 15 seconds or more.

   Is 9.5 V or more indicated?

   YES 

   Check the 12 volt battery terminal, then check for loose terminals between the 12 volt battery and the VSA modulator-control unit 21P connector.

   NO 

   Go to step 3.

3. VSA modulator-control unit check 2

   -1. Using a voltmeter, measure and note the voltage across the 12 volt battery terminals.

   NOTE:  If the voltage is below 9.5 V, check the 12V battery , and check the PGM-FI DTCs .

   -2. Wait for 15 seconds or more.

   -3. Compare the voltage noted in step 2 to the voltage in step 3.

   Is the difference between the two voltage readings less than 3 V?

   YES 

   Check the 12V battery , and check the PGM-FI DTCs .

   NO 

   Go to step 4.

4. VSA modulator-control unit check (update)

   -1. Update the VSA modulator-control unit if it does not have the latest software .

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Start the engine.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame

   Is DTC 61-11 indicated?

   YES 

   Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit .

   NO 

   Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.