Idle Test, Adjustment

Listing of Test Steps
1 Test equipment:
Connect/disconnect.
2.0 Throttle control linkage:
Check throttle valve for free movement and condition.
Lubricate bearings, gate levers and ball sockets.
2.1 CTP contact:
Check (Only possible with hand-held tester (HHT)), adjust.
3 Ignition timing -> Engine: at Idle:
Check (see Test and Adjustment Data). Test and Adjustment Data [Specifications]
4 Engine rpm (at closed throttle):
Check, only possible using HHT (see Test and Adjustment Data). Test and Adjustment Data [Specifications]
5 On-off ratio control:
Check only possible using HHT (see Test and Adjustment Data). Test and Adjustment Data [Specifications]
5.1 CTP contact:
Check, (HHT display ON only with HHT).
5.2 Not applicable for U.S. version vehicles.
7 CTP speed under load:
Check in TR "D" (with service and parking brake applied)
and with all consumers turned ON.

NOTE: This test requires an engine analyzer such as Bear DACE (Model 40-960) or Sun MEA-1500MB, and the Hand-Held Tester (HHT).