TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
*A | w/o Seat Heater System | *B | w/ Seat Heater System |
(a) Disconnect the J43 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
J43-2 (IG+) - J43-4 (GND) | GR - W-B | Power source (IG) | Engine switch on (IG) | 11 to 14 V |
J43-2 (IG+) - J43-4 (GND) | GR - W-B | Power source (IG) | Engine switch off | Below 1 V |
J43-1 (B) - J43-4 (GND) | R - W-B | Battery power supply | Always | 11 to 14 V |
J43-4 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
(c) Reconnect the J43 air conditioning amplifier assembly connector.
(d) Measure the voltage and check for pulses according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
J43-5 (RDFG) - J43-4 (GND) | P - W-B | Rear window defogger signal | Engine switch on (IG), rear window defogger switch off | 11 to 14 V |
J43-5 (RDFG) - J43-4 (GND) | P - W-B | Rear window defogger signal | Engine switch on (IG), rear window defogger switch on | Below 2.2 V |
CHECK RADIO RECEIVER ASSEMBLY
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