Checking the power supply and ground at the rear control module
Check the voltage to ground at rear control module terminal #B26 (#E6). The voltage must be at least battery voltage minus 3 V.
Check the control module connector, Check for contact resistance and oxidation according to Contact resistance and oxidation . Check for loose connections according to Loose connections (terminals) . Check for damage carefully.
Check the wiring between rear control module terminal #B21 (#E1) and the ground terminal for an open-circuit according to Open-circuit, permanent faults .
Remedy as necessary.
Other information:
- To access the rear control module connector, see Integrated relay/fusebox cargo compartment/Rear electronic module (REM), replacing
- To connect the breakout box, see Connecting the breakout box .
- Continue
Refer to Verification