P1561

2973 - P1561

Information saved in
DME

Fault code
2973 - P1561

Fault text
Idle speed control, catalytic converter heating

Fault description
Idle-speed control, catalytic-converter heating

Condition for fault identification
Test condition:
Engine at idle during catalyst warmup
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
5 sec.

Action in service
If a throttle valve fault is present, repair this first,
Inspect for contamination in the area adjacent to the throttle
valve
Check engine and ancillary equipment for mechanical
defects

Fault effect and breakdown warning
None
In extreme cases the engine may stall.

Driver information
Warning light:
MIL ON (US only)

Service instruction
None