Engine Controls - System/component Tests: Other Jaguar XJS Series 3

Ground & Power Circuits

Refer to the appropriate PIN VOLTAGE CHART S article in this section. See below

1. For XJS, see: «PIN VOLTAGE CHARTS»(ref-17108)
2. For XJ6, see: «PIN VOLTAGE CHARTS»(ref-17074)

INTAKE AIR TEMPERATURE SENSOR

See SENSOR RANGE CHARTS article in this section.

ENGINE COOLANT TEMPERATURE SENSOR

See SENSOR RANGE CHARTS article in this section.

EGR TEMPERATURE SENSOR

See SENSOR RANGE CHARTS article in this section.

KICKDOWN SWITCH

See ADJUSTMENTS article in this section.

MASS AIRFLOW SENSOR

See ADJUSTMENTS article in this section.

Fuel Pressure Release

See BASIC TESTING article in this section.

Fuel Pump Performance

See BASIC TESTING article in this section.

Idle Air Control Valve (Stepper Motor)

See procedures for BASE IDLE under IDLE SPEED & MIXTURE in the ADJUSTMENTS article in this section.

IGNITION SYSTEM

Note. For basic ignition checks, see the BASIC TESTING article in this section.