323001754 - G001 HANDBRAKE NOT EFFICIENT

When the handbrake is operated the rear wheels are not locked. (A handbrake that is working properly should, when fully engaged, prevent the "take off" of the vehicle from stationary)
TEST RESULTS
1HANDBRAKE ADJUSTMENT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the handbrake is correctly adjustedMove on to Step 2Adjustment incorrectRestore the correct handbrake adjustment    Op. 3380A04 HANDBRAKE - ADJUST TRAVEL
2CONTROL CABLES CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check:- that the handbrake control cables are correctly fastened;- the condition of the actual cables.Move on to Step 31. Cable fastening slack.2. Cables damaged or broken.3. Rod damaged or broken.1. Restore correct fastenings2. Replace the cables involved    Op. 3380A30 HANDBRAKE CABLE - R+R 3. Replace the rods involved.
3REAR BRAKE CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the condition of the rear brake shoes.Move on to Step 4Rear brake shoes wornReplace the rear brake shoes.
4CORRECT OPERATION CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosisThe fault persistsContact Technical Assistance for further information on the problem.