DTC C1870-00 (77-01), C1871-00 (77-04), C1872-00 (77-02) (AWD)

DTC C1870-00  : The Functional Abnormalities of Fuel and Emissions DTC C1871-00  : The Functional Abnormalities of Automatic Transmission DTC C1872-00  : The Functional Abnormalities of VSA Modulator-Control Unit

NOTE:  Before you troubleshoot, review the General Troubleshooting Information .

DTC (Real Time AWD)

1. Problem verification (DTC check)

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

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

   -4. Start the engine.

   Check for DTCs with the HDS.

   NOTE:  These codes are stored whenever the following systems DTCs are detected.

   • When DTC C1870-00 is indicated, check the PGM-FI system and CVT system DTC.
   • When DTC C1871-00 is indicated, check the CVT system DTC.
   • When DTC C1872-00 is indicated, check the VSA system DTC.

   DTC Description	DTC	Freeze Frame
   C1870-00 The Functional Abnormalities of Fuel and Emissions

   DTC Description	DTC	Freeze Frame
   C1871-00 The Functional Abnormalities of Automatic Transmission
   C1872-00 The Functional Abnormalities of VSA Modulator-Control Unit

   Is DTC C1870-00, C1871-00 and/or C1872-00 indicated?

   DTC C1870-00 is indicated

   The failure is duplicated. Check the PGM-FI system DTC and CVT system DTC .

   DTC C1871-00 is indicated

   The failure is duplicated. Check the CVT system DTC .

   DTC C1872-00 is indicated

   The failure is duplicated. Check the VSA system DTC .

   DTC is not indicated

   Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.