Circuit Inspection
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
MDPS unit connector | 1 (power) | Chassis ground | - | B+ |
| 1 (ON/START Input) | - | B+ | |||
| 2 (ground) | - | Approx. below 1Ω | |||
|
ICU connector | 9 (C-CAN high) | Chassis ground | - | Fig.1 |
| 10 (C-CAN low) | - | ||||
| ICU connector | 12 (P-CAN high) | Chassis ground | - | Fig.2 | |
| 11 (P-CAN low) | - | ||||
Good
- Go to "C-CAN Inspection" procedure.
No Good
- Repair as necessary and then go to "Verification of Repair " procedure.
| C-CAN Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
MDPS unit connector | 7 (C-CAN high) | MDPS unit connector | 8 (C-CAN low) | Approx. 60Ω |
| ICU (component side) | 9 (C-CAN high) | ICU (component side) | 10 (C-CAN low) | Approx. 120Ω | |
| MDPS unit connector | 7 (C-CAN high) | ICU connector | 9 (C-CAN high) | Approx. below 1Ω | |
| MDPS unit connector | 8 (C-CAN low) | ICU connector | 10 (C-CAN low) | Approx. below 1Ω | |
Good
- Go to "P-CAN Inspection" procedure.
No Good
- Repair open or short in circuit and then go to "Verification of Repair " procedure.
| P-CAN Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
ICU (component side) | 12 (P-CAN high) | ICU (component side) | 11 (P-CAN low) | Approx. 120Ω |
| ECM (1.6T-GDI) (component side) | 85 (P-CAN high) | ECM (1.6T-GDI) (component side) | 63 (P-CAN low) | Approx. 120Ω | |
| PCM (2.0MPI ATKINSON) (component side) | 77 (P-CAN high) | PCM (2.0MPI ATKINSON) (component side) | 60 (P-CAN low) | Approx. 120Ω | |
| ICU connector | 12 (P-CAN high) | ECM (1.6T-GDI) (component side) | 85 (P-CAN high) | Approx. 120Ω | |
| ICU connector | 12 (P-CAN high) | PCM (2.0MPI ATKINSON) (component side) | 77 (P-CAN high) | Approx. below 1Ω | |
| ICU connector | 11 (P-CAN low) | ECM (1.6T-GDI) (component side)) | 63 (P-CAN high) | Approx. below 1Ω | |
| ICU connector | 11 (P-CAN low) | PCM (2.0MPI ATKINSON) (component side) | 60 (P-CAN high) | Approx. below 1Ω | |
Good
- Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
- Repair or replace as necessary and then go to "Verification of Repair " procedure.
No Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace ECM/PCM and then go to "Verification of Repair " procedure.