TROUBLESHOOTING [ENGINE CONTROL KL]
STEP
INSPECTION
ACTION
4
CHECK COOLING FAN RELAY OR
CONDENSER FAN RELAY CIRCUIT FOR
SHORT TO GROUND
• Key off.
• Disconnect NGS tester from DLC.
• Appropriate fan relay disconnected.
• PCM disconnected.
• Install breakout box. Leave PCM
disconnected.
• Measure resistance between appropriate
fan circuit Test Pin (45 (cooling fan control
signal) or 17 (condenser fan control signal))
and Test Pin 5 1 ,1 0 3 and 91 at breakout
box.
•
Is each resistance greater than
1
0,000
ohms?
Yes
Go to next step.
No
SERVICE fan circuit for short to ground.
REMOVE breakout box.
RECONNECT all components.
RERUN OBD Test.
5
CHECK COOLING FAN CONTROL SIGNAL
OR CONDENSER FAN CONTROL SIGNAL
CIRCUIT RESISTANCE
• Key off.
• Appropriate fan relay disconnected.
• Breakout box installed.
Yes
REPLACE PCM.
REMOVE breakout box.
RECONNECT all components.
RERUN OBD test.
• PCM disconnected.
• Measure resistance between appropriate
fan circuit Test Pin (45 (cooling fan control
signal) or 17 (condenser fan control signal))
at breakout box and appropriate fan relay
vehicle harness connector.
•
Is resistance less than 5.0 ohms?
No
SERVICE open cooling fan relay control or condenser fan
relay control circuit.
REMOVE breakout box.
RECONNECT all components.
RERUN OBD Test.
01-01B-114
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...