Check cable and terminal integrity:
- Engine ECM pin B33 (fault code
P0351)
- Engine ECM pin B22 (fault code
P0352)
- Engine ECM pin B11 (fault code
P0353)
- EMS relay pin 5 (all fault codes)
Rectify fault, proceed to
test 7
Check cable for short circuit:
- Engine ECM pin B33 to ground
(fault code P0351)
- Engine ECM pin B22 to ground
(fault code P0352)
- Engine ECM pin B11 to ground
(fault code P0353)
Locate and rectify wiring
fault, proceed to test 7
Check cable for short circuit:
- EMS relay pin 5 to
- Engine ECM pin B33 (fault code
P0351)
- Engine ECM pin B22 (fault code
P0352)
- Engine ECM pin B11 (fault code
P0353)
Locate and rectify wiring
fault, proceed to test 7
Check cable continuity:
- EMS relay pin 5 to relevant ignition
coil pin
- Engine ECM pin B33 to ignition coil
1 pin 1 (fault code P0351)
- Engine ECM pin B22 to ignition coil
2 pin 1 (fault code P0352)
- Engine ECM pin B11 to ignition coil
3 pin 1 (fault code P0353)
Locate and rectify wiring
fault, proceed to test 7