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Diagnostic Manual, Engines, Volume 1

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LOCATION:    B.2 Test and Adjustment Jobs    >   43 B 2 Closed Throttle Position (CTP) Test, Adjustment


B 2 Closed Throttle Position (CTP) Test, Adjustment 1)

07-2053 or 2056 15)

Listing of Test Steps

1 HHT with multiplexer to data link connector connect/disconnect.
2 Throttle control check throttle operation and condition. Lubricate bearings, gate levers and ball sockets.
2.1 WOT, CTP stop at pedal value sensor (B37) check.
3 Selector lever position P/N
4 Engine oil temperature check.
5 ECT check.
6 Ignition timing Engine: at idle check (see Test and Adjustment Data, Section A).
7 Engine RPM at idle check (see Test and Adjustment Data, Section A).
8.0 On/off ratio check 1) .
8.1 CTP recognition (accelerator pedal not depressed) check, HHT display ON 1) .
9 Closed throttle under load check with selector lever in "D"(with service and parking brake applied) and consumers on.

1) Only possible using HHT (Test and Adjustment Data, section A).
15) Time Guide operation no. and/or SMS job no.

Note:
Refer to section B1, Engine Test and Adjustment, for Special Tools and connection diagram.