EASY AND SMOOTH START SYSTEM FAIL-SAFE CHART

If the electric vehicle control ECU assembly detects the following DTCs, control of the respective functions will be prohibited due to fail-safe operation.

DTC Code Malfunctioning Area Functions Prohibited by Fail-safe Operation
C1249/42 Stop light switch circuit (stuck ON or stuck OFF) Control continues
C1382/21 Clutch stroke sensor (Open Circuit) ES start system
C1386/28 ES start main switch ON/OFF circuit ES start system
C1387/33 ES start main switch FAST/SLOW circuit ES start system
C1491/35 Skid control ECU malfunction ES start system
P0335/9 Communication malfunction with ECM (engine speed signal) Control continues
P0501/24

  • Speed sensor system

  • Skid control ECU malfunction

  • Vehicle speed input signal circuit

  • Combination meter malfunction

 ES start system
P0555/36 Malfunction in brake (master pressure) sensor of anti-lock brake system ES start system
P0562/5 Electric vehicle control ECU power supply system (low voltage) ES start system
P0563/5 Electric vehicle control ECU power supply system (high voltage) ES start system
P0605/2 Electric vehicle control ECU internal malfunction ES start system
P0617/45 Starter switch circuit Control continues
P081D/7 Neutral start switch circuit

  • ES start system

  • Manual idle up control

  • Exhaust brake system
P0830/41 Clutch switch circuit

  • Manual idle up control

  • Exhaust brake system
P0833/15 Power take-off clutch switch circuit Control continues
P1143/44 Throttle position switch circuit (overvoltage) Manual idle up control
P161F/46 VCS ACT relay circuit ES start system
P1649/31 Parking brake switch circuit Control continues
U0105/23 Communication malfunction with ECM

  • ES start system

  • Manual idle up control

  • Exhaust brake system
U0121/22 Communication malfunction with skid control ECU ES start system
U0155/22 Communication malfunction with combination meter ES start system
U0418/38 Abnormal communication data from skid control ECU ES start system