TROUBLESHOOTING [ENGINE CONTROL KL]
STEP
INSPECTION
ACTION
34
CHECK RESISTANCE OF FUEL INJECTOR
HARNESS
• Key off.
• Breakout box installed. PCM disconnected.
• Disconnect fuel injector harness connector
at suspected fuel injector.
• Measure resistance between Test Pin
71/97 at breakout box and power circuit pin
at suspected fuel injector harness
connector.
• Measure resistance between fuel Injector
Test Pln(s) at breakout box and Fuel
Injector Signal Pin at fuel injector
connector. (Refer to step 33 for Injector Pin
location.)
• Is each resistance less than 5.0 ohms?
Yes
Go to next step.
No
SERVICE open harness circuit.
REMOVE breakout box.
RECONNECT PCM and fuel injector(s).
RESET PCM to completely clear DTCs.
ET After Repair Procedure
COMPLETE OBD II Drive Mode.
RERUN OBD Test.
35
CHECK FUEL INJECTOR HARNESS
CIRCUIT FOR SHORT TO POWER OR
GROUND
• Key off.
• Breakout box installed. PCM disconnected.
• Disconnect suspected fuel injector
harness.
• Measure resistance between fuel injector
Test Pin(s) (refer to step 33) and Test Pin(s)
71 or 97, 24 and 103 at breakout box.
• Measure resistance between Fuel injector
Test Pin(s) at breakout box and chassis
ground.
• Is each resistance greater than
10,000
ohms?
Yes
Go to next step.
No
SERVICE short circuit.
REMOVE breakout box.
RECONNECT PCM and all fuel injector(s).
RESET PCM to completely clear DTCs.
tr
After Repair Procedure
COMPLETE OBD II Drive Mode.
RERUN OBD Test.
36
CHECK INJECTOR DRIVER SIGNAL
Yes
Note
This test requires standard 12 volt test
lamp.
Key off.
Install breakout box.
Connect test lamp between Test Pin 71/97
and suspected fuel Injector Test Pin(s).
REMOVE breakout box.
RECONNECT PCM.
Go to next step.
Cylinder
Number
Test
pin
Cylinder
Number
Test
pin
1
75
4
100
2
101
5
73
3
74
6
99
No
W6U101WKP
Note
• At idle properly operating system will cause
dim glow on test lamp.
• Crank or start engine.
• Does test lamp have dim glow while
cranking or running engine?___________
No light and/or Continuous bright light.
REPLACE PCM
REMOVE breakout box.
COMPLETE OBD II Drive Mode.
RERUN OBD Test.
0 1 -0 1 B -4 5
Summary of Contents for MX-6 1998
Page 1: ......
Page 501: ...STARTING SYSTEM 3 If not as specified replace the starter interlock switch 01 19 3...
Page 803: ...MANUAL TRANSAXLE W 6 U 5 1 5 W A C 05 15 7...
Page 934: ...CONTROL SYSTEM CONTROL SYSTEM STRUCTURAL VIEW W6U740WA0 07 40 2...
Page 983: ...SERVICE TOOLS 08 60 SERVICE TOOLS 08 RESTRAINTS S S T 08 60 1 08 RESTRAINTS SST 08 60 1...