Symptom Chart

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 Jaguar S-Type, 2007 Jaguar S-Type, 2006 Jaguar S-Type, 2005 Jaguar S-Type, and 2004 Jaguar S-Type. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.

Symptom Chart

Symptom	Possible source	Action
Speed control inhibited or disabled	Default mode enabled Speed control switch(es) Throttle sensors Stop lamp switch	Check message center for default message. For speed control switch circuit tests, Refer to Pinpoint Test B . For speed control switch input signal tests, Refer to Pinpoint Test C . For headway switch tests, Refer to Pinpoint Test E . For 2.5 and 3.0 L engine throttle position sensor tests, Refer to Electronic Engine Controls . For 4.2 L engine throttle position sensor tests, Refer to Electronic Engine Controls . Check electrical guides for stop light switch information.
Unable to regulate/adjust vehicle speed	Steering wheel switch malfunction	For speed control switch circuit tests, Refer to Pinpoint Test B . For speed control switch input signal tests, Refer to Pinpoint Test C .
Unable to cancel speed control from steering wheel	Steering wheel switch malfunction	For speed control switch circuit tests, Refer to Pinpoint Test B . For speed control switch input signal tests, Refer to Pinpoint Test C .
Unable to cancel speed control from brake pedal	Brake cancel switch malfunction	For brake cancel switch tests, Refer to Pinpoint Test D .