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Diagnosis Procedure
1.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 1
  1. Ignition switch ON
  2. Select “Self Diagnostic Result” mode of “IPDM E/R” using M.U.T.-III SE.
  3. Remove fuse [No. 74 (10A)] at the downstream of ignition relay in IPDM E/R, and check the change in “Self Diagnostic Result”.
Is it now a past malfunction?
Perform an inspection of the downstream circuit of fuse [No. 74 (10A)] at the downstream of ignition relay in IPDM E/R.
 
2.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 2
  1. Return fuse [No. 74 (10A)] downstream of ignition relay in IPDM E/R back to the original position.
  2. Remove fuse [No. 73 (10A)] at the downstream of ignition relay in IPDM E/R, and check the change in “Self Diagnostic Result”.
Is it now a past malfunction?
Perform an inspection of the downstream circuit of fuse [No. 73 (10A)] at the downstream of ignition relay in IPDM E/R.
 
3.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 3
  1. Return fuse [No. 73 (10A)] downstream of ignition relay in IPDM E/R back to the original position.
  2. Remove fuse [No. 76 (5A)] at the downstream of ignition relay in IPDM E/R, and check the change in “Self Diagnostic Result”.
Is it now a past malfunction?
Perform an inspection of the downstream circuit of fuse [No. 76 (5A)] at the downstream of ignition relay in IPDM E/R.
 
4.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 4
  1. Return fuse [No. 76 (5A)] downstream of ignition relay in IPDM E/R back to the original position.
  2. Remove fuse [No. 71 (10A)] at the downstream of ignition relay in IPDM E/R, and check the change in “Self Diagnostic Result”.
Is it now a past malfunction?
Perform an inspection of the downstream circuit of fuse [No. 71 (10A)] at the downstream of ignition relay in IPDM E/R.
 
5.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 5
  1. Return fuse [No. 71 (10A)] downstream of ignition relay in IPDM E/R back to the original position.
  2. Remove fuse [No. 81 (15A)] at the downstream of ignition relay in IPDM E/R, and check the change in “Self Diagnostic Result”.
Is it now a past malfunction?
Perform an inspection of the downstream circuit of fuse [No. 81 (15A)] at the downstream of ignition relay in IPDM E/R.
 
6.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 6
  1. Return fuse [No. 81 (15A)] downstream of ignition relay in IPDM E/R back to the original position.
  2. Remove fuse [No. 85 (20A)] at the downstream of ignition relay in IPDM E/R, and check the change in “Self Diagnostic Result”.
Is it now a past malfunction?
Perform an inspection of the downstream circuit of fuse [No. 85 (20A)] at the downstream of ignition relay in IPDM E/R.
Replace IPDM E/R. Refer to Removal and Installation.