Jaguar XK 2001 Misc. Document Drivability Diagnosis PDF

Date of issue 04/01 Bulletin Number 303-43 Page 1 of 30
Issue:
This Technical Bulletin has been issued to give diagnostic information relating to various engine
drivability concerns. Driven by the symptoms that the customer experiences, the guide takes you
through the faultfinding process in a logical order.
Note: Diagnostic guides covering other engine concerns will follow.
Action:
Before using the guide, check the Symptom Matrix on the next page for the diagnostic flowchart
sequence. For example, if the engine cuts-out soon after start, work through flow charts P3,
P2, P1, P5 etc. Following the flowcharts in the sequence identified will help rectify any concerns
while optimizing the utilization of workshop time.
Note: When working on any vehicle ensure that exposed paintwork is
protected with the appropriate fender protection covers.
DATE
303-43
04/01V8 XJ Series/XK
SERVICE
TECHNICAL BULLETIN
1997-98 MY XK8 Range
1998 MY V8 XJ Series
1998-99 MY XJR
MODEL
VIN
Drivability Diagnosis – AJ 26 Engines
RELAY CODES AND DATE STAMPS ........................................................................................ 2
SYMPTOM MATRIX .................................................................................................................... 2
P1 - CONTAMINATED THROTTLE DIAGNOSTIC FLOW CHART ........................................ 3
P2 - ECM RELAY DIAGNOSTIC FLOW CHART ...................................................................... 4
P3 - FUEL PUMP RELAY DIAGNOSTIC FLOW CHART ......................................................... 5
P4 - IMMOBILIZATION (STALL SITUATION) DIAGNOSTIC FLOW CHART....................... 6
P5 - DTC 1336 DIAGNOSTIC FLOW CHART ............................................................................ 8
P5 - DTC 1336 - ADDITIONAL INFORMATION .................................................................... 11
P14 - ENGINE HARNESS DIAGNOSTIC FLOW CHART ....................................................... 12
P17 - FUEL PUMP DIAGNOSTIC FLOW CHART ................................................................... 13
P18 - ENGINE COOLANT TEMPERATURE SENSOR DIAGNOSTIC FLOW CHART ........ 14
P18 - ENGINE COOLANT TEMPERATURE SENSOR - RESISTANCE VALUES................ 17
P19 - MASS AIR FLOW SENSOR DIAGNOSTIC FLOW CHART ......................................... 18
P20 - FUEL PRESSURE REGULATOR DIAGNOSTIC FLOW CHART ................................. 19
P21 - FUEL LINES DIAGNOSTIC FLOW CHART ................................................................... 22
P23 - AIR LEAKAGE DIAGNOSTIC FLOW CHART .............................................................. 24
P23 - AIR LEAKAGE DIAGNOSTIC FLOW CHART - CONT. ............................................... 25
P29 - BLOCKED PART LOAD BREATHER CLEANING PROCEDURE ............................... 26
PDU EXPLANATION FLOW CHART GUIDED - DIAGNOSTICS ......................................... 28
PDU EXPLANATION FLOW CHART - TOOLBOX ................................................................. 29
PDU EXPLANATION FLOW CHART - MULTIMETER .......................................................... 30