Inspection Procedure
- INSPECT HEATER CONTROL PANEL RH
- Remove the heater control panel RH.
- Disconnect the connector from heater control panel RH.
- Measure the resistance according to the value(s) in the table below.
Resistance
RESISTANCE SPECIFICATIONSTester item (Symbols) Condition Specified condition E21-13 (SWB) - E21-5 (SW2) REC switch: ON Below 1 Ω E21-13 (SWB) - E21-3 (SW0) OFF switch: ON Below 1 Ω E21-13 (SWB) - E21-4 (SW1) P-TEMP UP switch: ON Below 1 Ω E21-12 (SWA) - E21-5 (SW2) A/C switch: ON Below 1 Ω E21-12 (SWA) - E21-3 (SW0) AUTO switch: ON Below 1 Ω E21-12 (SWA) - E21-4 (SW1) P-TEMP DW switch: ON Below 1 Ω E21-13 (SWB) - E21-5 (SW2) REC switch: OFF 10 kΩ or higher E21-13 (SWB) - E21-3 (SW0) OFF switch: OFF 10 kΩ or higher E21-13 (SWB) - E21-4 (SW1) P-TEMP UP switch: OFF 10 kΩ or higher E21-12 (SWA) - E21-5 (SW2) A/C switch: OFF 10 kΩ or higher E21-12 (SWA) - E21-3 (SW0) AUTO switch: OFF 10 kΩ or higher E21-12 (SWA) - E21-4 (SW1) P-TEMP DW switch: OFF 10 kΩ or higher NG: REPLACE HEATER CONTROL PANEL RH
OK: Go to Next Step
- CHECK HARNESS AND CONNECTOR (HEATER CONTROL PANEL RH - HEATER CONTROL PANEL LH)
- Disconnect the connector from heater control panel LH.
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Resistance
RESISTANCE SPECIFICATIONSTester connection (Symbols) Condition Specified condition E6-16 (SWA) - E21-12 (SWA) Always Below 1 Ω E6-4 (SW0) - E21-3 (SW0) Always Below 1 Ω E6-5 (SW1) - E21-4 (SW1) Always Below 1 Ω E6-6 (SW2) - E21-5 (SW2) Always Below 1 Ω E6-17 (SWB) - E21-13 (SWB) Always Below 1 Ω E6-16 (SWA) - Body ground Always 10 kΩ or higher E6-4 (SW0) - Body ground Always 10 kΩ or higher E6-5 (SW1) - Body ground Always 10 kΩ or higher E6-6 (SW2) - Body ground Always 10 kΩ or higher E6-17 (SWB) - Body ground Always 10 kΩ or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE