DESCRIPTION
Detection Item | Symptom | Trouble Area |
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Radio Receiver Assembly Communication Stop Mode | Any of the following conditions are met:
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WIRING DIAGRAM
for Navigation Receiver Type for Radio and Display TypeCAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
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DTC check procedure: Turn the engine switch on (IG) and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
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HINT:
PROCEDURE
1. | CHECK VEHICLE TYPE |
(a) Check vehicle type.
Result | Proceed to |
---|---|
for Navigation Receiver Type | A |
for Radio and Display Type | B |
B | GO TO STEP 4 |
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2. | CHECK FOR OPEN IN CAN BUS LINES (RADIO RECEIVER ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the G3 radio receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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NG | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY) |
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3. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the G5 radio receiver assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
*a | Front view of wire harness connector (to Radio Receiver Assembly) | - | - |
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
G5-1 (GND1) - Body ground | Cable disconnected from negative (-) battery terminal | Below 1 Ω |
(c) Reconnect the cable to the negative (-) battery terminal.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
G3-19 (IG) - Body ground | Engine switch on (IG) | 11 to 14 V |
G5-4 (+B1) - Body ground | Always | 11 to 14 V |
G5-15 (ACC1) - Body ground | Engine switch on (ACC) | 11 to 14 V |
OK | REPLACE RADIO RECEIVER ASSEMBLY |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
4. | CHECK FOR OPEN IN CAN BUS LINES (RADIO RECEIVER ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the G4 radio receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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NG | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY) |
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5. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the G6 radio receiver assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
*a | Front view of wire harness connector (to Radio Receiver Assembly) | - | - |
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
G6-1 (GND1) - Body ground | Cable disconnected from negative (-) battery terminal | Below 1 Ω |
(c) Reconnect the cable to the negative (-) battery terminal.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
G4-19 (IG) - Body ground | Engine switch on (IG) | 11 to 14 V |
G6-4 (+B1) - Body ground | Always | 11 to 14 V |
G6-15 (ACC1) - Body ground | Engine switch on (ACC) | 11 to 14 V |
OK | REPLACE RADIO RECEIVER ASSEMBLY |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |