| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Park Assist/Monitoring | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000002ZX9002X |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Indicator Circuit |
DESCRIPTION
The sonar ON/OFF indicator light and warning indicator lights are installed in the accessory meter assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1. |
INSPECT FUSE (ECU-IG No. 1) |
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(a) Remove the ECU-IG No. 1 fuse from the main body ECU. |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
ECU-IG No. 1 fuse |
Always |
Below 1 Ω |
(c) Install the fuse.
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2. |
CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY - BATTERY AND BODY GROUND) |
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(a) Disconnect the I22 accessory meter assembly connector. |
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
I22-23 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
(c) Reconnect the accessory meter assembly connector.
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3. |
CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY - CLEARANCE WARNING ECU) |
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(a) Disconnect the H43 clearance warning ECU connector. |
(b) Disconnect the I22 accessory meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
H43-15 (L1) - I22-3 (RR) |
Always |
Below 1 Ω |
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H43-16 (L2) - I22-4 (FR) |
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H43-17 (L3) - I22-7 (RL) |
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H43-18 (L4) - I22-8 (FL) |
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H43-19 (L5) - I22-5 (BK) |
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H43-20 (L6) - I22-6 (OP) |
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H43-15 (L1) - Body ground |
Always |
10 kΩ or higher |
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H43-16 (L2) - Body ground |
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H43-17 (L3) - Body ground |
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H43-18 (L4) - Body ground |
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H43-19 (L5) - Body ground |
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H43-20 (L6) - Body ground |
(d) Reconnect the clearance warning ECU connector.
(e) Reconnect the accessory meter assembly connector.
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4. |
REPLACE ACCESSORY METER ASSEMBLY |
(a) Replace the accessory meter assembly with a normally functioning or new accessory meter assembly
.
(b) Check that the accessory meter indicator operates normally.
OK:
Accessory meter indicator operates normally.
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