Lexus LX - Page 408

b. Disconnect the E103 spiral cable connector.
c. Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection Condition
Specified
Condition
E102-1 (+) - E103-
1 (BTM)
Always Below 1 Ω
E102-11 (IN) -
E103-3 (ETM)
Always Below 1 Ω
E103-2 (EHT) -
Body ground
Always Below 1 Ω
Text in Illustration
*a
Front view of wire harness connector
(to Combination switch)
*b
Front view of wire harness connector
(to Spiral Cable)
d. Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection Switch Condition
Specified
Condition
E103-4 (BHT) -
Body ground
Engine switch on
(IG)
11 to 14 V
NG REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR
OK
Go to step 6
5.INSPECT SPIRAL CABLE SUB-ASSEMBLY
NOTICE:
If there are any defects as mentioned below, replace the spiral cable with a new one:
Scratches, cracks, dents or chips in the connector or spiral cable.
a. Disconnect the E103 spiral cable connector.
b. Disconnect the heated steering wheel controller connector.
c. Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection Condition
Specified
Condition
1 (CCU) - E103-1
(BTM)
Always Below 1 Ω
2 (CCV) - E103-3
(ETM)
Always Below 1 Ω
3 (CCX) - E103-2
(EHT)
Always Below 1 Ω
4 (CCW) - E103-4
(BHT)
Always Below 1 Ω