Inspection Procedure
- CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BATTERY, BODY GROUND)
- Disconnect the navigation receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
STANDARD RESISTANCE REFERENCE CHARTTester Connection Condition Specified Condition E1-7 (E) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
STANDARD VOLTAGE REFERENCE CHARTTester Connection Condition Specified Condition E1-4 (B) - E1-7 (E) Always 11 to 14 V E1-3 (ACC) - E1-7 (E) Ignition switch ACC 11 to 14 V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )