DESCRIPTION
This circuit sends signals to the ECM depending on the cruise control main switch condition.
The battery supplies the positive (+) battery voltage to the cruise control main switch. Then terminal CCS of the ECM receives the voltage as the signal according to the switch condition.
WIRING DIAGRAM
PROCEDURE
1. |
INSPECT CRUISE CONTROL MAIN SWITCH |
(a) Remove the cruise control main switch (See page ).
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
1 - 3 |
+ (ACCEL)/RES (RESUME) |
235 to 245 Ω |
1 - 3 |
- (COAST)/SET |
617 to 643 Ω |
1 - 3 |
CANCEL |
1,509 to 1,571 Ω |
1 - 3 |
Main Switch OFF |
10 kΩ or higher |
1 - 3 |
Main Switch ON |
Below 1 Ω |
(c) Reinstall the cruise control main switch.
NG |
REPLACE CRUISE CONTROL MAIN SWITCH |
|
2. |
CHECK HARNESS AND CONNECTOR (CRUISE CONTROL MAIN SWITCH - SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY) |
(a) Disconnect the spiral cable with sensor sub-assembly side and main switch side connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 (main switch side) - 3 (spiral cable with sensor sub-assembly side) |
Always |
Below 1 Ω |
3 (main switch side) - 4 (spiral cable with sensor sub-assembly side) |
Always |
Below 1 Ω |
*a |
Front view of wire harness connector (to Spiral Cable with Sensor Sub-assembly) |
*b |
Front view of wire harness connector (to Cruise Control Main Switch) |
(c) Reconnect the spiral cable with sensor sub-assembly side and main switch side connector.
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
NOTICE:
The spiral cable with sensor sub-assembly is an important part of the SRS airbag system. Incorrect removal or installation of the spiral cable with sensor sub-assembly may prevent the airbag from deploying. Be sure to read the page shown in the brackets.
HINT:
(a) Remove the spiral cable with sensor sub-assembly.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3 (CCS) main switch side - S8-1 (CCS) |
The spiral cable with sensor sub-assembly position is center |
Below 1 Ω |
The spiral cable with sensor sub-assembly position is 2.5 rotations to the left |
||
The spiral cable with sensor sub-assembly position is 2.5 rotations to the right |
||
4 (ECC) main switch side - S8-2 (ECC) |
The spiral cable with sensor sub-assembly position is center |
Below 1 Ω |
The spiral cable with sensor sub-assembly position is 2.5 rotations to the left |
||
The spiral cable with sensor sub-assembly position is 2.5 rotations to the right |
*a |
Component without harness connected (Spiral Cable with Sensor Sub-assembly) |
*b |
Cruise Control Main Switch Side |
(c) Reinstall the spiral cable with sensor sub-assembly.
NG |
REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
|
4. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - ECM AND BODY GROUND) |
(a) Disconnect the E13 ECM connector.
(b) Disconnect the S8 spiral cable with sensor sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S8-2 (ECC) - Body Ground |
Always |
Below 1 Ω |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E13-17 (CCS) - S8-1 (CCS) |
Always |
Below 1 Ω |
E13-17 (CCS) - Body ground |
Always |
10 kΩ or higher |
(d) Reconnect the ECM connector.
(e) Reconnect the spiral cable with sensor sub-assembly connector.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
Gauges and meters
The following gauges, meters and displays illuminate when the engine switch is
in the ON position.
Tachometer
Displays the engine speed in revolutions per minute.
Speedometer
Displays the vehicle speed.
Engine coolant temperature gauge
Displays the engine coolant temperature.
Fuel gauge
...
Headlight Dimmer Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT HEADLIGHT DIMMER RELAY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard:
Tester Connection
Condition
Specified Condition
...