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Rover Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition18 · Electrical
18 · Electrical

Control Unit Input Test (page 2 of 4)

Make
Rover
Model
600 Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition
Section
Repairs
ElectricalControl Unit Input Test · page 2 of 4
No.TerminalTest conditionTest: Desired resultPossible cause if result is not obtained
1 BLK Under all conditions Check for continuity to earth:
There should be continuity.		 ● Poor earth (G501)
● An open in the wire
2 WHT/BLU Under all conditions Check for voltage to earth:
There should be battery voltage.		 ● Blown No.29(15A) fuse in the engine compartment fuse/relay box
● An open in the wire
3 YEL/GRN Under all conditions Check for continuity to earth:
There should be continuity.		 ● Faulty power window relay
● Poor earth ((G201), G203)
● An open in the wire
4 YEL/GRN Ignition switch ON Check for voltage to earth:
There should be battery voltage.		 ● Blown No.5(7.5A) fuse in the engine compartment fuse/relay box
● An open in the wire
5 GRN/WHT Turn the key cylinder switch to LOCK Check for continuity to earth:
There should be continuity.		 ● Faulty key cylinder switch
● Poor earth (G451)
● An open in the wire
6 GRN/YEL Connect the GRN/YEL and BLK terminals with a jumper wire, then turn the ignition switch ON (III). Check the sun roof operation: It should close. ● Faulty sun roof motor
● Faulty sun roof relay
● Poor earth (G501)
● An open in the wire
7 RED/WHT Turn the ignition switch ON (III), then push up the driver's switch. Check for voltage to earth:
There should be battery voltage.		 ● Blown No.38[No. 39](20A) fuse in the engine compartment fuse/relay box
● Faulty master power window switch
● An open in the wire
8 BLU/WHT Turn the ignition switch ON (III), then push up the passenger switch. Check for voltage to earth:
There should be battery voltage.		 ● Blown No.39[No. 38](20A) fuse in the engine compartment fuse/relay box
● Faulty master power window switch
● An open in the wire
9 GRN/WHT Turn the ignition switch ON (III), then push up the left rear switch. Check for voltage to earth:
There should be battery voltage.		 ● Blown No.36 (20A) fuse in the engine compartment fuse/relay box
● Faulty master power window switch
● An open in the wire
10 YEL/WHT Turn the ignition switch ON (III), then push up the right rear switch. Check for voltage to earth:
There should be battery voltage.		 ● Blown No.37 (20A) fuse in the engine compartment fuse/relay box
● Faulty master power window switch
● An open in the wire

[ ]: RHD

Parts & tools for this job For Rover 600

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