With starting or warm up complaints do not condition engine to operating conditions but proceed according to complaint.

Listing of Test Steps

1	Test equipment	connect/disconnect according to connection diagram
2	Throttle control linkage	check throttle valve for free movement and condition. Lubricate bearings, gate levers and ball sockets.
3	Engine coolant level	check, correct.
4	Engine oil temperature	check.
5	Engine control module version Ignition: ON	read, only possible using HHT, see Parts Microfiche, group 54.
6	DTC's in engine control module (ME-SFI) Ignition: ON	read using HHT .
7	Engine oil level	check, observe condition of oil.
8	Fuel tank level	check.
9	WOT contact, CTP contact at pedal value sensor	check.
10	Fuel pressure WARNING! Release pressure using 2 or 3 way valve on gauge.	check.
11	Engine rpm at Idle (transmission selector lever in P/N position)	check.
12	ECT	check.
13	IAT	check.
14	Ignition timing	check.
15	Throttle valve angle	check.
16	Throttle valve stop	check.
17	Battery voltage	check.
18	Purge valve on-off ratio	check.
19	Injection time Engine: at Idle	check.
20	EA actuator	check.
21	Deceleration shut-off Engine: decelerating	check.
22	AIR pump Engine: at idle	check.
23	CTP and WOT recognition	check.
24	Camshaft adjustment solenoid	check.
25	Camshaft Hall-effect sensor	check.
26	Air mass Engine: at Idle	check.
27	MAP voltage	check.
28	O2S 1 voltage (before TWC)	check.
29	Lambda control (before TWC)	check.
30	O2S 2 voltage (after TWC)	check.
31	Lambda control (after TWC)	check.
32	Self-adaptation Engine: at Idle/partial load	check.
33	Transmission range (selector lever position P/N)	check.
34	A/C compressor	check.
35	Purge control system	check.
36	Safety fuel shut-off	check.
37	Torque	check.
38	Idle speed 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.