Can Communication System (W/ Vsc) Ecm Communication Stop Mode
Networking. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (ECM - BATTERY AND BODY GROUND)
CAN COMMUNICATION SYSTEM (w/ VSC) - ECM Communication Stop Mode |
DESCRIPTION
Detection Item
| Symptom
| Trouble Area
|
ECM Communication Stop Mode
| Either condition is met:
- "ECM (Engine)" is not displayed on the "Bus Check" screen.
- "ECM Communication Stop Mode" in "DTC Communication Table" applies.
| - Power source or inside of ECM
- ECM
|
WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
| 1.CHECK HARNESS AND CONNECTOR (ECM - BATTERY AND BODY GROUND) |
Disconnect the C22, C23, G38 and G39 ECM connectors.
Text in Illustration*a
| Front view of wire harness connector
(to ECM)
| -
| -
|
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Condition
| Specified Condition
|
G38-2 (BATT) - Body ground
| Always
| 11 to 14 V
|
G39-1 (+B) - Body ground
| Battery positive (+) voltage applied to terminal G39-8 (MREL)
| 11 to 14 V
|
G39-9 (IGSW) - Body ground
| Ignition switch ON
| 11 to 14 V
|
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
C23-7 (E1) - Body ground
| Always
| Below 1 Ω
|
C22-7 (E01) - Body ground
| Always
| Below 1 Ω
|
C22-6 (E02) - Body ground
| Always
| Below 1 Ω
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
