199003035 - P0135 Lambda sensor heater

This error is detected in the event of a break (with open circuit detail), short circuit to earth (with s.c. to earth detail) or short circuit with positive (with s.c. to +Vbatt. or excessive temperature details) in the connection circuit to Pin 51 of the control unit for at least 0.5 s.
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check that the error details is not S.C. to earthMove on to Step 2The error detail is S.C. to earthMove on to Step 1
1ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation
Ensure fuse F59 (second from the left on the second row from the bottom) in the engine compartment junction unit has not blown.Move on to Step 2Fuse F59 has blownContinue as instructed in the    See Test 1064BE CHECK TURBO VALVE PROTECTION FUSE
2LAMBDA SENSOR HEATER OPERATION CHECKAll OKProblems encounteredOperation
Check that the lambda sensor heater is working properly, following the instructions in the    See Test 1080BI CHECK THE OPERATION OF THE LAMBDA SENSOR HEATEREnd of diagnosis--