Inspection Procedure
- READ VALUE OF INTELLIGENT TESTER
- Connect the intelligent tester (with CAN VIM) to the DLC3.
- Turn the ignition switch to the ON position and turn the intelligent tester main switch on.
- Select KEY UNLK WRN SW in the DATA LIST and read the value displayed on the tester.
BODY:
DATA LIST - BODYItem Measurement Item / Display (Range) Normal Condition Diagnostic Note KEY UNLK WRN SW Unlock warning switch signal/ON or OFF ON: Key is in ignition key cylinder
OFF: No key is in ignition key cylinder- OK: ON (Key is in ignition key cylinder) appears on the screen.
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG: Go to next step.
- INSPECT UNLOCK WARNING SWITCH ASSEMBLY
- Remove the unlock warning switch assembly.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLETester Connection Condition Specified Condition 1 - 2 Switch free 10 kΩ or higher 1 - 2 Switch pushed Below 1 Ω
NG: REPLACE UNLOCK WARNING SWITCH ASSEMBLY
OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (UNLOCK WARNING SWITCH - BODY ECU)
- Disconnect the K4 switch and B4 ECU connectors.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLETester Connection Condition Specified Condition K4-2 - B4-21 (KSW) Always Below 1 Ω K4-2 - Body ground Always 10 kΩ or higher
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (UNLOCK WARNING SWITCH - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLETester Connection Condition Specified Condition K4-1 - Body ground Always Below 1 Ω
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- Measure the resistance according to the value(s) in the table below.