WIRING DIAGRAM
PROCEDURE
1. |
CHECK VOICE GUIDANCE SETTING |
(a) Check that the voice guidance setting is not off.
OK:
Voice guidance setting is not off.
NG | ![]() |
CHANGE VOICE GUIDANCE SETTING TO ON |
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU) |
(a) Disconnect the F130 radio and display receiver assembly connector.
(b) Disconnect the F135 navigation ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F130-22 (SI+) - F135-6 (VOI+) |
Always |
Below 1 Ω |
F130-23 (SI-) - F135-7 (VOI-) |
Always |
Below 1 Ω |
F130-22 (SI+) or F135-6 (VOI+) - Body ground |
Always |
10 kΩ or higher |
F130-23 (SI-) or F135-7 (VOI-) - Body ground |
Always |
10 kΩ or higher |
F135-8 (SLD1) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Airbag System: Short in Front Pretensioner Squib LH Circuit (B1905/74-B1908/74)
DESCRIPTION
The front pretensioner squib LH circuit consists of the airbag sensor assembly
and front seat outer belt assembly LH.
The airbag sensor assembly uses this circuit to deploy the pretensioner when
deployment conditions are met.
These DTCs are stored when a malfunction is detected in ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Terminals Of Ecu
TERMINALS OF ECU
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the F1 certification ECU (smart key ECU assembly) connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side with the conne ...