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EPS CONTROL MODULE INSPECTION
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1. Attach the tester lead to the underside of the EPS control module connector and inspect the voltage according to the terminal voltage table (reference).
Terminal Voltage Table (Reference)
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|
|
Terminal |
Signal name |
Connected to |
Measured item |
Measured terminal (measurement condition) |
Voltage (V) |
Inspection item(s) |
|---|---|---|---|---|---|---|
|
1A
|
Ground
|
Ground point
|
Voltage
|
Under any condition
|
1 or less
|
• Wiring harness (1A—ground point)
|
|
1B
|
Battery power supply
|
Battery
|
Voltage
|
Under any condition
|
B+
|
• Wiring harness (1B—battery)
• Fuse (EPAS 60A)
|
|
2A
|
Ignition power supply
|
IG1 relay
|
Voltage
|
Ignition ON (engine off or on)
|
B+
|
• Wiring harness (2A—IG1 relay—battery)
• Fuse (SRS1 7.5A)
|
|
Ignition OFF (LOCK)
|
1 or less
|
|||||
|
2B
|
CAN_H
|
—
|
Perform DTC inspection
|
—
|
||
|
2C
|
—
|
—
|
—
|
—
|
—
|
—
|
|
2D
|
CAN_L
|
—
|
Perform DTC inspection
|
—
|
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