Inspection Procedure B-8: Electric tailgate switch signal is not received.
| caution | Before replacing the ECU,
ensure that the input and output signal circuits are normal. |
COMMENTS ON TROUBLE SYMPTOM
PROBABLE CAUSES
- Malfunction of electric tailgate switch
- Damaged electric tailgate control unit
- Damaged wiring harness and connectors
DIAGNOSIS PROCEDURE
STEP 1. Electric tailgate switch check
Q.
Is the check result normal?
STEP 2. Resistance measurement at electric tailgate switch connector (OPSW terminal).
| (1)Disconnect the connector, and measure at the wiring harness side. |
| (2)Measure the resistance between electric tailgate switch connector and body earth. OK: Continuity exists (10 Ω or less) |
Q.
Is the check result normal?
STEP 3. Check of open circuit in earth line between electric tailgate switch connector and body earth.
Q.
Is the check result normal?
STEP 4. Check of open circuit in OPSW line between electric tailgate control unit connector and electric tailgate switch connector.
Q.
Is the check result normal?
STEP 5. System retest
Q.
Is the check result normal?