| Last Modified: 11-29-2007 | 1.6 U | |
| Service Category: Power Source/Network | Section: Battery/Charging | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000003G7Y001X |
| Title: POWER OUTLETS (INT): ACCESSORY SOCKET SYSTEM: TERMINALS OF ECU (2008 Sequoia) | ||
TERMINALS OF ECU
1. CHECK POWER SOURCE CONTROL ECU
(a) Disconnect the H53 power source control ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
H53-2 (VAC) - Body ground |
GR - Body ground |
ACC signal input |
Ignition switch off → ACC |
Below 1 V → 11 to 14V |
|
H53-5 (+B) - Body ground |
G - Body ground |
Battery power supply |
Always |
11 to 14 V |
|
H53-7 (GND) - Body ground |
W-B - Body ground |
Body ground |
Always |
Below 1 Ω |
|
H53-9 (VIG) - Body ground |
P - Body ground |
IG signal input |
Ignition switch off → ON |
Below 1 V → 11 to 14V |
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the H53 power source control 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 |
|---|---|---|---|---|
|
H53-1 (RLC) - Body ground |
Y - Body ground |
Power outlet relay control signal |
Ignition switch off → ACC or ON |
11 to 14 V → Below 1 V |
|
Ignition switch ON → ACC or off (approximately 2 hours elapsed) |
Below 1 V → 11 to 14V |
|||
|
H53-4 (OUT1) - Body ground |
R - Body ground |
Power outlet operate signal |
Ignition switch off → ACC or ON |
Below 1 V → 11 to 14V |
|
Ignition switch ON → ACC or off (approximately 2 hours elapsed) |
11 to 14 V → Below 1 V |
|||
|
H53-10 (+B1) - Body ground |
V - Body ground |
Power outlet relay operate signal |
Ignition switch off → ACC or ON |
Below 1 V → 11 to 14V |
|
Ignition switch ON → ACC or off (approximately 2 hours elapsed) |
11 to 14 V → Below 1 V |
If the result is not as specified, the power source control ECU may have a malfunction.
|
|