DTC P0506: Idle Control System RPM Lower
Than Expected
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Start the engine. Hold the engine speed
In most areas, there is a variation
between magnetic north and true
north. Zone selection is required so
the compass can compensate for this
variation. To check and select the
zone, do this:
1. Press and hold the select/reset
knob for 10 seconds to change the
display to the reset mode