TERMINALS OF ECU
1. CHECK STEERING LOCK ECU
(a) Disconnect the F68 steering lock ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F68-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F68-6 (IG2) - F68-1 (GND) |
W - W-B |
IG2 signal input |
Engine switch off → engine switch on (IG) |
Below 1 V → 11 to 14 V |
F68-7 (B) - F68-1 (GND) |
GR - W-B |
Power source |
Always |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the F68 steering lock ECU connector.
(d) Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F68-3 (IGE) - F68-1 (GND) |
GR - W-B |
Power source for motor drive |
When all conditions are met:
|
11 to 14 V (Steering lock motor not operating) → Below 1 V (Steering lock motor operating) → 11 to 14 V (Steering lock motor not operating) |
F68-4 (SLP1) - F68-1 (GND) |
SB - W-B |
Unlock position sensor output signal |
Steering lock locked → steering lock unlocked |
11 to 14 V → Below 1.2 V |
If the result is not as specified, there may be a malfunction in the steering lock ECU.
Short in Motor LH (11,12)
DESCRIPTION
When there is a short in the side auto step motor circuit, the side auto step
controller ECU assembly halts the operation of the automatic running board.
DTC No.
Detection Condition
Trouble Area
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System Description
SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) This system locks/unlocks the doors remotely. The wireless door lock control
system has the following features:
The certification ECU performs the code identification process a ...