INSPECTION
PROCEDURE
1. INSPECT SPIRAL CABLE SUB-ASSEMBLY
NOTICE:
(a) Visually check the spiral cable sub-assembly for defects.
(1) The defects are as follows:
OK:
No defects are found.
If any of the defects is found, replace the spiral cable sub-assembly with a new one.
(b) Check the spiral cable sub-assembly.
*A |
w/o Steering Heater |
*B |
w/ Steering Heater |
*a |
Component without harness connected (Spiral Cable Sub-assembly) |
*b |
Color: Light Green |
*c |
Color: Black |
- |
- |
Interlock |
- |
- |
NOTICE:
(1) Set the spiral cable sub-assembly to the center position.
Click here
Click here
(2) Measure the resistance between each terminal of the spiral cable sub-assembly according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F29-1 (CCS) - z4-3 (CCS) |
Always |
3 Ω or less |
F29-2 (ECC) - z1-7 (ECC) |
Always |
3 Ω or less |
F29-2 (ECC) - z4-4 (ECC) |
Always |
3 Ω or less |
F29-3 (EAU) - z1-8 (EAU) |
Always |
3 Ω or less |
F29-5 (AU2) - z1-10 (AU2) |
Always |
3 Ω or less |
F29-6 (AU1) - z1-11 (AU1) |
Always |
3 Ω or less |
F29-9 (HO) - z1-1 (HO) |
Always |
3 Ω or less |
F29-10 (+DP) - z1-2 (+DP) |
Always |
3 Ω or less |
F29-11 (+DP2) - z1-3 (+DP2) |
Always |
3 Ω or less |
F29-12 (DIST) - z1-4 (DIST) |
Always |
3 Ω or less |
F29-13 (IL+2) - z1-5 (IL+2) |
Always |
3 Ω or less |
F29-14 (IL-2) - z1-6 (IL-2) |
Always |
3 Ω or less |
F20-2 (EHT) - z6-3 (EHT)*1 |
Always |
3 Ω or less |
F20-4 (BHT) - z6-4 (BHT)*1 |
Always |
3 Ω or less |
F30-1 (D+) - z2-2 (D+) |
Always |
Below 1 Ω |
F30-2 (D-) - z2-1 (D-) |
Always |
Below 1 Ω |
F30-3 (D2-) - z15-1 (D2-)*2 |
Always |
Below 1 Ω |
F30-4 (D2+) - z15-2 (D2+)*2 |
Always |
Below 1 Ω |
(3) After setting the spiral cable sub-assembly to the center position, rotate the spiral cable sub-assembly 2.5 times clockwise, and measure the resistance according to the value(s) in the table below. Then rotate the spiral cable sub-assembly 5 times counterclockwise, and measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F29-1 (CCS) - z4-3 (CCS) |
Always |
3 Ω or less |
F29-2 (ECC) - z1-7 (ECC) |
Always |
3 Ω or less |
F29-2 (ECC) - z4-4 (ECC) |
Always |
3 Ω or less |
F29-3 (EAU) - z1-8 (EAU) |
Always |
3 Ω or less |
F29-5 (AU2) - z1-10 (AU2) |
Always |
3 Ω or less |
F29-6 (AU1) - z1-11 (AU1) |
Always |
3 Ω or less |
F29-9 (HO) - z1-1 (HO) |
Always |
3 Ω or less |
F29-10 (+DP) - z1-2 (+DP) |
Always |
3 Ω or less |
F29-11 (+DP2) - z1-3 (+DP2) |
Always |
3 Ω or less |
F29-12 (DIST) - z1-4 (DIST) |
Always |
3 Ω or less |
F29-13 (IL+2) - z1-5 (IL+2) |
Always |
3 Ω or less |
F29-14 (IL-2) - z1-6 (IL-2) |
Always |
3 Ω or less |
F20-2 (EHT) - A-3 (EHT)*1 |
Always |
3 Ω or less |
F20-4 (BHT) - A-4 (BHT)*1 |
Always |
3 Ω or less |
F30-1 (D+) - z2-2 (D+) |
Always |
Below 1 Ω |
F30-2 (D-) - z2-1 (D-) |
Always |
Below 1 Ω |
F30-3 (D2-) - z15-1 (D2-)*2 |
Always |
Below 1 Ω |
F30-4 (D2+) - z15-2 (D2+)*2 |
Always |
Below 1 Ω |
(4) After setting the spiral cable sub-assembly to the center position, rotate the spiral cable sub-assembly 2.5 times clockwise. Then while rotating the spiral cable sub-assembly 5 times counterclockwise, measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F29-1 (CCS) - z4-3 (CCS) |
Always |
3 Ω or less |
F29-2 (ECC) - z1-7 (ECC) |
Always |
3 Ω or less |
F29-2 (ECC) - z4-4 (ECC) |
Always |
3 Ω or less |
F29-3 (EAU) - z1-8 (EAU) |
Always |
3 Ω or less |
F29-5 (AU2) - z1-10 (AU2) |
Always |
3 Ω or less |
F29-6 (AU1) - z1-11 (AU1) |
Always |
3 Ω or less |
F29-9 (HO) - z1-1 (HO) |
Always |
3 Ω or less |
F29-10 (+DP) - z1-2 (+DP) |
Always |
3 Ω or less |
F29-11 (+DP2) - z1-3 (+DP2) |
Always |
3 Ω or less |
F29-12 (DIST) - z1-4 (DIST) |
Always |
3 Ω or less |
F29-13 (IL+2) - z1-5 (IL+2) |
Always |
3 Ω or less |
F29-14 (IL-2) - z1-6 (IL-2) |
Always |
3 Ω or less |
F20-2 (EHT) - A-3 (EHT)*1 |
Always |
3 Ω or less |
F20-4 (BHT) - A-4 (BHT)*1 |
Always |
3 Ω or less |
F30-1 (D+) - z2-2 (D+) |
Always |
Below 1 Ω |
F30-2 (D-) - z2-1 (D-) |
Always |
Below 1 Ω |
F30-3 (D2-) - z15-1 (D2-)*2 |
Always |
Below 1 Ω |
F30-4 (D2+) - z15-2 (D2+)*2 |
Always |
Below 1 Ω |
If the result is not as specified, replace the spiral cable sub-assembly.
Toyota CH-R Service Manual > Vehicle Stability Control System: ABS Warning Light does not Come ON
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination
meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform system
variant learning.
Click here
PROCEDURE
...
Toyota CH-R Service Manual > Can Communication System: Open in Bus 2 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines when the resistance
between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway
ECU) is 70 Ω or higher.
Symptom
Trouble Area
Resistance between terminals ...