Diagnostic Manual, Engines, Volume 1
B 2 Idle Test, Adjustment
Listing of Test Steps
| 1 |
Test equipment |
connect/disconnect according to connection diagram |
| 2.0 |
Throttle control linkage |
check throttle valve for free movement and condition. Lubricate bearings, gate levers and ball sockets. |
| 2.1 |
CTP contact 1) |
check, adjust (see SMS, Job No. 30 - 1010). |
| 3 |
Ignition timing  Engine: at Idle |
check (see Test and Adjustment Data, section A). |
| 4 |
Engine rpm (at closed throttle) |
check, only possible using HHT (see Test and Adjustment Data, section A). |
| 5 |
On-off ratio control |
check only possible using HHT (see Test and Adjustment Data, section A). |
| 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. |
| 1) Only possible with HHT. |
Equipment
| Engine analyzer 1) |
Bear DACE (Model 40-960)
Sun MEA-1500MB |
| Hand-Held Tester (HHT) |
see applicable Service Information in groups 58 and 99 |
| 1) Available through the MBUSA Standard Equipment Program. |
|
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