3) Connect an ohmmeter between test unit pins.
Connect test unit between ECC control module and control unit connector.
Test mode 2 checks signals from speedometer and solar sensor.If continuity is not present, replace relay.7 (10) wiring diagrams Fig.Remove heater core case screws.Allow system to stabilize for at least 8 minutes.DTC 2-1-2, 2-2-2, 2-3-2, 2-3-4 2-3-6 drivers OR passengers side damper motor position sensor shorted TO ground 1) Check if DTCs 2-1-2, 2-2-2, 2-3-2, 2-3-4, and 2-3-6 are all present together.Entering self-diagnostics 1) Connect selector cable from diagnostic unit A to terminal.If zero volts are present, wire is shorted to ground.See the G tests W/codes article in the engine performance section.A/C system performance 1) Ensure compressor drive belt is okay, fan motor runs at all speeds, and that temperature vents shut completely with temperature switch in full cooling position.If ohmmeter indicates no continuity, there is an open circuit in damper motor position sensor.The transition from defroster to floor/defroster setting takes place god hates us all ebook pdf blogspot more quickly in sunshine.Doors are controlled by vacuum motors on left side of heater case.Plug receiver-drier pipe ends.If any of these codes are present at the same time, check for an open circuit in the common ground wire.Manual, instant Download, volvo EW180B Wheeled Excavator Service Repair.Warning: To avoid injury from accidental air bag deployment, read and carefully follow all service precautions and disabling activating AIR BAG system procedures in the AIR BAG restraint system article in the accessories/safety equipment section.Sensor Circuit Open Or Shorted To Power 1-3-1.DTC 5-1-1 self-adjustment OF damper motor limit legal fonts for photoshop cs5 positions NOT carried OUT Erase DTC.If display shows 1-1-1, codes have been erased/cleared.
3 (Brown wire) and.
Changing Data Transmission Speed/Rate From ECC Control Module To On-Board Diagnostic Unit Enter desired control code (3-1-1 or 3-1-2) by pressing button on diagnostic unit A, with a short pause in-between to allow LED to come on again.

10: Identifying ECC Control Module Terminals Courtesy of Volvo Cars of North America.
Disconnect connector from power stage.
Check wiring resistance for passengers side duct temperature sensor by measuring between test unit pins.