Circuit Inspection
| Module Circuit Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
CLU connector | 40 (Memory power) | Chassis ground | - | B+ |
| CLU connector | 1, 37 (ground) | Chassis ground | - | Approx. below 1Ω | |
|
CLU connector | 39 (ON/START 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 (E-CAN) | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
CLU connector | 32 (E-CAN high) | Chassis ground | - | Fig.1 |
| CLU connector | 33 (E-CAN low) | Chassis ground | - | ||
|
CLU connector | 32 (E-CAN high) | ICU connector | 31 (E-CAN high) | Approx. below 1Ω |
| CLU connector | 33 (E-CAN low) | ICU connector | 32 (E-CAN low) | Approx. below 1Ω | |
| CLU connector | 32 (E-CAN high) | Chassis ground | - | ∞ (infinity)Ω | |
| CLU connector | 33 (E-CAN low) | Chassis ground | - | ∞ (infinity)Ω | |
|
CLU connector | 32 (E-CAN high) | CLU connector | 33 (E-CAN low) | Approx. 60Ω |
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 | ||
|
HECU connector (W/O EPB) | 4 (C-CAN high) | Chassis ground | - | Fig.2 |
| HECU connector (W/O EPB) | 5 (C-CAN low) | Chassis ground | - | ||
|
HECU connector (With EPB) | 19 (C-CAN high) | Chassis ground | - | Fig.2 |
| HECU connector (With EPB) | 20 (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 | |
| SRSCM (component side) | 27 (C-CAN high) | SRSCM (component side) | 26 (C-CAN low) | Approx. 120Ω | |
| ICU (component side) | 20 (C-CAN high) | ICU (component side) | 19 (C-CAN low) | Approx. 120Ω | |
Good
- Go to "VERIFICATION OF REPAIR " procedure.
No Good
- Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.
- If no problems were found with the circuits or connectors, replace the cluster and go to "VERIFICATION OF REPAIR " procedure.