NOTE:
1. DTC check:
Is DTC C1860-98, C1861-9A, or other DTCs indicated?
DTC C1860-98 or C1861-9A is indicated
Go to step 2.
Other DTC is indicated
Go to the indicated DTC's troubleshooting.
2. Tyre size check:
Check the tire size of the four wheels.
Are all tire sizes same?
YES
The tire sizes are OK. Go to step 3.
NO
Replace the tire with the standard size.
3. Rear brake drag check:
Check for rear brake drag.
Are the rear brakes OK?
YES
The rear brakes are OK. Go to step 4.
NO
Inspect and repair the rear brakes.
4. Brake system indicator check:
Pull the electric parking brake switch to apply the parking brake.
Does the brake system indicator come on?
YES
The system is OK at this time. Intermittent failure, the system is OK at this time. If the freeze data/onboard snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
NO
Inspect and repair the brake system.
DTC C1870-00 (77-01), C1871-00 (77-04), C1872-00 (77-02): Fuel and Emissions Related Malfunction, Automatic Transmission Related Malfunction, VSA Modulator-Control Unit Related Malfunction (AWD)
NOTE: Before you troubleshoot, review the General Troubleshooting Information for the AWD with intelligent control system.
1. Problem verification (DTC check):
NOTE: These codes are stored whenever the following systems DTCs are detected.
Is DTC C1870-00, C1871-00, or C1872-00 indicated?
DTC C1870-00 is indicated
The failure is duplicated. Check the PGM-FI system DTC - Refer to: Fuel and Emissions Systems DTC Troubleshooting Index (KA/KC), or CVT System DTC Troubleshooting Index (KA/KC CVT).
DTC C1871-00 is indicated
The failure is duplicated. Check the CVT system DTC - Refer to: Fuel and Emissions Systems DTC Troubleshooting Index (KA/KC), or CVT System DTC Troubleshooting Index (KA/KC CVT).
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.