P0507

2B58 - P0507

Information saved in
DME

Fault code
2B58 - P0507

Fault text
Idle controller monitoring

Fault description


Condition for fault identification
Test condition:
Vehicle stationary
rf > md_rf_min
tmot > K_LeerlaufR_DIAG_TMOT
t�l > K_LeerlaufR_DIAG_TOEL
fra_aq_adapt_roh in tolerance range
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
Engine rpm too high by
K_LeerlaufR_DIAG_N_ZU_GROSS and idle R at lower
limit for K_LeerlaufR_DIAG_T

Action in service
1. Check for leaks between idle actuator and engine block,
replace gasket as indicated
2. Check individual throttle valves for (gap open)

Fault effect and breakdown warning
No closed-loop control of idle

Driver information
Warning light:
none

Service instruction
none