Pre-collision System Switch Circuit [11/2015 - ]: Procedure
- CHECK HARNESS AND CONNECTOR
- Disconnect the G94 pre-collision system cancel switch (combination switch assembly) connector.
- w/o Sliding Roof:
Disconnect the Q7 pre-collision city sensor connector.
- w/ Sliding Roof:
Disconnect the Q8 pre-collision city sensor connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G94-1 (ECU) - Q7-9 (PCSW) *1
G94-1 (ECU) - Q8-9 (PCSW) *2Always Below 1 Ω G94-3 (GND) - Body ground Always Below 1 Ω G94-1 (ECU) - Body ground Always 10 kΩ or higher - *1: w/o Sliding Roof
- *2: w/ Sliding Roof
- w/o Sliding Roof:
Connect the Q7 pre-collision city sensor connector.
- w/ Sliding Roof:
Connect the Q8 pre-collision city sensor connector.
- Connect the G94 pre-collision system cancel switch (combination switch assembly) connector.
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 2
- INSPECT PRE-COLLISION SYSTEM CANCEL SWITCH (COMBINATION SWITCH ASSEMBLY)
- Remove the pre-collision system cancel switch (combination switch assembly) (Refer to REMOVAL [11/2015 - ] ).
- Inspect the pre-collision system cancel switch (combination switch assembly) (Refer to INSPECTION [11/2015 - ] ).
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
Refer to PROBLEM SYMPTOMS TABLE [11/2015 - 06/2017] Refer to PROBLEM SYMPTOMS TABLE [06/2017 - ] )
Result:
NG
REPLACE PRE-COLLISION SYSTEM CANCEL SWITCH (COMBINATION SWITCH ASSEMBLY)
Refer to COMPONENTS [11/2015 - ] )