757
Troubleshooting
Disconnect the concerned
relay.
Is there any evidence of a
defect between the pins of
the relay ?
No
Yes
Defective relay.
Replace relay.
Relay investigation subtree
Refer to the subtree
description to find out the
pins to investigate.
With a multimeter measure the resistance between the
following pins of the relay :
Relay
Connector
Pin B
Pin A
Relay
Connector
Relay
Connector
Pin B
Pin C
Relay
Connector
The multimeter should read a resistance around 0
ohms between these two pins.
The multimeter should read a resistance over 1
Mega ohms between these two pins.
With an auxiliary 12V power source, apply a 12V voltage
between the following pins :
Relay
Connector
Coil Pin A
Coil Pin B
Relay
Connector
Continued on next page
Summary of Contents for SPICER PACCAR 220ev
Page 263: ...263 Troubleshooting Connector C53 Connector C100...
Page 274: ...274 Troubleshooting Connector C717 green Connector C718 yellow Connector C719 orange...
Page 322: ...322 Troubleshooting Connector C651 B Circuit73...
Page 468: ...468 Troubleshooting Connector C44 Connector C45 Connector C53 Connector C54 Connector C661...
Page 476: ...476 Troubleshooting Connector C44 Connector C45 Connector C53 Connector C54 Connector C661...
Page 514: ...514 Troubleshooting Connector C676 Connector C651 B Circuit73...
Page 636: ...636 Troubleshooting Connector C676 Connector C651 B Circuit73...
Page 702: ...702 Troubleshooting Connector C101 Connector C713 Connector C722 3 4 3 4...
Page 711: ...711 Troubleshooting Connector C101...
Page 730: ...730 Troubleshooting Connector C651 A...
Page 733: ...733 Troubleshooting Connector C651 A...
Page 736: ...736 Troubleshooting Connector C651 B Circuit73...
Page 738: ...738 Troubleshooting Connector C651 B Circuit73...