ELECTRICAL SYSTEM
L3301, L3901, L4701, WSM
9-S55
[15] CCV HEATER
(1) CCV Relay
Checking Connector Voltage
1. Measure the voltage with a voltmeter across the battery
terminal and chassis as table below.
2. If the voltage differs from the battery voltage, the wiring harness
or fuse is faulty.
9Y1211012ELS0101US0
Functional Check
• The relays described here are used same ones so that
these are interchangeable.
1. Apply battery voltage across the terminals c and d, and check
for continuity across the terminals a and b.
2. If continuity is not established across the terminals a and b,
replace it.
9Y1211012ELS0102US0
(2) CCV Heater
Heater Resistance (for Reference)
1. Check the resistance between terminal 1 and 2.
2. If the reference value is not indicated, the heater is faulty.
9Y1211012ELS0103US0
Voltage Terminal d -Chassis Approx. battery voltage
(1) CCV Relay (2) Connector (Wire Harness side)
Resistance at 25 °C (77 °F) 1.8 - 2.5 Ω
(1) CCV Heater (OUT)
(2) CCV Heater (IN)
(3) Connector of Switch Side
[A] Left Side
[B] Right Side
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