TOYOTA PARKING ASSIST-SENSOR SYSTEM Indicator Circuit
| DTC Code | DTC Name |
|---|---|
| Indicator Circuit |
DESCRIPTION
The warning indicator lights are installed in the telltale light assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT - BATTERY)
-
Disconnect the H122 telltale light assembly connector.
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Switch Condition
Specified Condition
H122-4 (B) - Body ground
Ignition switch ON
11 to 14 V
Table 1. Text in Illustration *a
Front view of wire harness connector
(to Telltale Light Assembly)
REPAIR OR REPLACE HARNESS OR CONNECTOR
-
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - TELLTALE LIGHT)
Disconnect the H95 clearance warning ECU connector.
Disconnect the H122 telltale light assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
H95-28 (L1) - H122-11 (RR)
Always
Below 1 Ω
H95-29 (L2) - H122-13 (RL)
Always
Below 1 Ω
H95-30 (L3) - H122-10 (BK)
Always
Below 1 Ω
H95-9 (L4) - H122-1 (FR)
Always
Below 1 Ω
H95-26 (L5) - H122-3 (FL)
Always
Below 1 Ω
H95-27 (L6) - H122-2 (BD)
Always
Below 1 Ω
H95-31 (L10) - H122-12 (OP)
Always
Below 1 Ω
H95-28 (L1) - Body ground
Always
10 kΩ or higher
H95-29 (L2) - Body ground
Always
10 kΩ or higher
H95-30 (L3) - Body ground
Always
10 kΩ or higher
H95-9 (L4) - Body ground
Always
10 kΩ or higher
H95-26 (L5) - Body ground
Always
10 kΩ or higher
H95-27 (L6) - Body ground
Always
10 kΩ or higher
H95-31 (L10) - Body ground
Always
10 kΩ or higher
REPAIR OR REPLACE HARNESS OR CONNECTOR
INSPECT TELLTALE LIGHT ASSEMBLY
Remove the telltale light assembly (Click here).
Inspect the indicator operation (Click here).