Circuit/System Verification
- Ignition ON.
- Verify DTC U1811 is not set.
- If DTC U1811 is set
Refer to DTC U0074 (Chassis Expansion Bus) , DTC U0074 (Powertrain Expansion Bus with HP6) , DTC U0074 (Powertrain Expansion Bus without HP6) .
- If DTC U1811 is not set
- If DTC U1811 is set
- All OK