Circuit Inspection
| Module Circuit Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
ICU connector | 4, 6 (Memory power) | Chassis ground | - | B+ |
| ICU connector | 53 (ground) | Chassis ground | - | Approx. below 1Ω | |
|
ICU connector | 31 (ACC/ON Input) | Chassis ground | - | B+ |
| ICU connector | 2 (ON/START Input) | Chassis ground | - | B+ | |
| ICU connector | 17 (ON Input) | Chassis ground | - | B+ | |
Good
- Go to next procedure.
No Good
- Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.
| CAN communication circuit Inspection (C-CAN) | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
ICU connector | 20 (C-CAN high) | Chassis ground | - | Fig.1 |
| ICU connector | 19 (C-CAN low) | Chassis ground | - | ||
|
ICU connector | 20 (C-CAN high) | HECU connector (W/O EPB) | 4 (C-CAN high) | Approx. below 1Ω |
| HECU connector (With EPB) | 19 (C-CAN high) | Approx. below 1Ω | |||
| ICU connector | 19 (C-CAN low) | HECU connector (W/O EPB) | 5 (C-CAN low) | Approx. below 1Ω | |
| HECU connector (With EPB) | 20 (C-CAN low) | Approx. below 1Ω | |||
|
HECU connector (W/O EPB) | 4 (C-CAN high) | HECU connector (W/O EPB) | 5 (C-CAN low) | Approx. 60Ω |
| HECU connector (With EPB) | 19 (C-CAN high) | HECU connector (With EPB) | 20 (C-CAN low) | Approx. 60Ω | |
| ICU (component side) | 20 (C-CAN high) | ICU (component side) | 19 (C-CAN low) | Approx. 120Ω | |
| SRSCM (component side) | 27 (C-CAN high) | SRSCM (component side) | 26 (C-CAN low) | Approx. 120Ω | |
Good
- Go to next procedure.
No Good
- Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.
| CAN communication circuit Inspection (P-CAN) | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
ICU connector | 17 (P-CAN high) | Chassis ground | - | Fig.2 |
| ICU connector | 18 (P-CAN low) | Chassis ground | - | ||
|
ICU connector | 17 (P-CAN high) | HECU connector (W/O EPB) | 8 (P-CAN high) | Approx. below 1Ω |
| HECU connector (With EPB) | 23 (P-CAN high) | Approx. below 1Ω | |||
| ICU connector | 18 (P-CAN low) | HECU connector (W/O EPB) | 7 (P-CAN low) | Approx. below 1Ω | |
| HECU connector (With EPB) | 22 (P-CAN low) | Approx. below 1Ω | |||
|
HECU connector (W/O EPB) | 8 (P-CAN high) | HECU connector (W/O EPB) | 7 (P-CAN low) | Approx. 60Ω |
| HECU connector (With EPB) | 23 (P-CAN high) | HECU connector (With EPB) | 22 (P-CAN low) | Approx. 60Ω | |
| ICU (component side) | 17 (P-CAN high) | ICU (component side) | 18 (P-CAN low) | Approx. 120Ω | |
| PCM (G 2.5 GDI) (component inside) | 6 (P-CAN high) | PCM (G 2.5 GDI) (component inside) | 7 (P-CAN low) | Approx. 120Ω | |
| ECM (G 2.5 T-GDI) (component inside) | 77 (P-CAN high) | ECM (G 2.5 T-GDI) (component inside) | 60 (P-CAN low) | Approx. 120Ω | |
Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the ICU and go to "VERIFICATION OF REPAIR " procedure.
No 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 open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.