Initial Inspection and Diagnostic Overview
WIPER AND WASHER: WIPER AND WASHER SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use these procedures to troubleshoot the wiper and washer system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Use the Techstream to check if the Multiplex Communication System (MPX) is functioning normally.
Result
B -- GO TO MULTIPLEX COMMUNICATION SYSTEM Multiplex Communication System
A -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE
Result
B -- Go to step 6
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Pinout Values and Diagnostic Parameters
(b) DATA LIST/ACTIVE TEST Scan Tool Testing and Procedures
NEXT -- Continue to next step.
6. REPAIR OR REPLACE
NEXT -- Continue to next step.
7. CONFIRMATION TEST
NEXT -- END