DETERMINING SHORT TO POWER SUPPLY LOCATION (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (MZR 1.5))]

• When disconnecting the connector, verify that there is no looseness, damage, deformation, corrosion, or poor connection of the connector terminals.

• When inspecting the DLC-2, touch it with a paper clip or similar thin pin without directly inserting a tester into the terminals.

• Disconnect the negative battery cable before performing any work that requires handling of connectors.

Step	Inspection	Action
1	INSPECT FOR SHORT TO POWER SUPPLY BETWEEN BCM AND INSTRUMENT CLUSTER • Disconnect the negative battery cable. • Disconnect the BCM connector 1. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to Step 16.
No	Go to the next step.
2	INSPECT BCM FOR SHORT TO POWER SUPPLY • Switch the ignition off. • Disconnect the negative battery cable. • Disconnect the BCM connector 2. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the BCM because there is a short to the power supply in the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [R.H.D.].)
No	Go to the next step.
3	INSPECT CAN LINE BETWEEN CONNECTOR C-17 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect connector C-17. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to the next step.
No	Go to Step 7.
4	INSPECT CAN LINE BETWEEN REAR VEHICLE MONITORING CONTROL MODULE (RH) AND CONNECTOR C-17 FOR SHORT TO POWER SUPPLY • Switch the ignition ON. • Measure the voltage at rear vehicle monitoring control module (RH) terminals L and I. • Is the voltage between 1.5 - 3.5 V?	Yes	Repair or replace the wiring harness between the BCM and connector C-17 because the wiring harness is shorted to the power supply.
No	Go to the next step.
5	INSPECT CAN LINE BETWEEN REAR VEHICLE MONITORING CONTROL MODULE (RH) AND CONNECTOR C-24 FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect connector C-24. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at rear vehicle monitoring control module (RH) terminals L and I. • Is the voltage between 1.5 - 3.5 V?	Yes	Repair or replace the wiring harness between connector C-24 and connector C-17 because the wiring harness is shorted to the power supply.
No	Go to the next step.
6	INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect the rear vehicle monitoring control module (RH) connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at rear vehicle monitoring control module (RH) terminals L and I. • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the rear vehicle monitoring control module (RH) because the rear vehicle monitoring control module (RH) is shorted to the power supply. (See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)
No	Repair or replace the wiring harness between the rear vehicle monitoring control module (RH) and connector C-24 because the wiring harness is shorted to the power supply.
7	INSPECT CAN LINE BETWEEN CONNECTOR C-43 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect connector C-43. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to the next step.
No	Go to Step 11.
8	INSPECT CAN LINE BETWEEN CONNECTOR C-43 AND AFS CONTROL MODULE FOR SHORT TO POWER SUPPLY • Switch the ignition ON. • Measure the voltage at AFS control module terminals B and A. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to Step 10.
No	Go to the next step.
9	INSPECT AFS CONTROL MODULE FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect the AFS control module connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at AFS control module terminals B and A (wiring harness side). • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the AFS control module because there is a short to the power supply in the AFS control module. (See AFS (ADAPTIVE FRONT LIGHTING SYSTEM) CONTROL MODULE REMOVAL/INSTALLATION.)
No	Repair or replace the wiring harness between connector C-43 and the AFS control module because the wiring harness is shorted to the power supply.
10	INSPECT SAS CONTROL MODULE FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Connect connector C-43. • Disconnect the SAS control module. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the SAS control module because there is a short to the power supply in the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
No	Repair or replace the wiring harness between the SAS control module and connector C-17/C-43 because the wiring harness is shorted to the power supply.
11	INSPECT CAN LINE BETWEEN CONNECTOR C-47 AND DLC-2 FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect connector C-47. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to the next step.
No	Repair or replace the wiring harness between DLC-2 and connector C-47 because the wiring harness is shorted to the power supply.
12	INSPECT CAN LINE BETWEEN KEYLESS CONTROL MOUDLE AND CONNECTOR C-47 FOR SHORT TO POWER SUPPLY • Switch the ignition ON. • Measure the following voltages: ― Keyless control module terminals 2K and 2L • Is the voltage between 1.5 - 3.5 V?	Yes	Go to Step 14.
No	Go to the next step.
13	INSPECT KEYLESS CONTROL MODULE FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect the keyless control module connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at keyless control module terminals 2K and 2L (wiring harness side). • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the keyless control module because there is a short to the power supply in the keyless control module. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION.)
No	Repair or replace the wiring harness between connector C-47 and the keyless control module because the wiring harness is shorted to the power supply.
14	INSPECT CAN LINE BETWEEN CONNECTOR C-47 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY • Switch the ignition ON. • Measure the voltage at instrument cluster terminals 2B and 2D. • Is the voltage between 1.5 - 3.5 V?	Yes	Repair or replace the wiring harness between connector C-43 and connector C-47 because the wiring harness is shorted to the power supply.
No	Go to the next step.
15	INSPECT INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect the instrument cluster connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at instrument cluster terminals 2B and 2D (wiring harness side). • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the instrument cluster because the instrument cluster is shorted to the power supply. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
No	Repair or replace the wiring harness between connector C-47 and the instrument cluster because the wiring harness is shorted to the power supply.
16	INSPECT CAN LINE BETWEEN CONNECTOR C-70 AND BCM FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Connect the BCM connector 1. • Disconnect connector C-70. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to the next step.
No	Repair or replace the wiring harness between connector C-70 and the BCM because the wiring harness is shorted to the power supply.
17	INSPECT CAN LINE BETWEEN TCM AND CONNECTOR C-70 FOR SHORT TO POWER SUPPLY • Switch the ignition ON. • Measure the following voltages: ― TCM terminals A17 and A7 • Is the voltage between 1.5 - 3.5 V?	Yes	Go to Step 19.
No	Go to the next step.
18	INSPECT TCM FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect the TCM connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the following voltages: ― TCM terminals A17 and A7 (wiring harness side) • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the TCM because the TCM is shorted to the power supply. (See TCM REMOVAL/INSTALLATION [DJVA-EL].)
No	Repair or replace the wiring harness between the TCM and connector C-70 because the wiring harness is shorted to the power supply.
19	INSPECT CAN LINE BETWEEN CONNECTOR C-41 AND CONNRCTOR C-70 FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Connect connector C-70. • Disconnect connector C-41. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to the next step.
No	Repair or replace the wiring harness between the connector C-41 and connector C-70 because the wiring harness is shorted to the power supply.
20	INSPECT CAN LINE BETWEEN ABS HU/CM AND CONNECTOR C-41 FOR SHORT TO POWER SUPPLY • Switch the ignition ON. • Measure the following voltages: ― ABS HU/CM terminals H and L • Is the voltage between 1.5 - 3.5 V?	Yes	Go to Step 22.
No	Go to the next step.
21	INSPECT ABS HU/CM FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect the ABS HU/CM connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at ABS HU/CM terminals H and L (wiring harness side). • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the ABS HU/CM because the ABS HU/CM is shorted to the power supply. (See ABS HU/CM REMOVAL/INSTALLATION.)
No	Repair or replace the wiring harness between the ABS HU/CM and connector C-02/connector C-70 because the wiring harness is shorted to the power supply.
22	INSPECT CAN LINE BETWEEN CONNECTOR C-02 AND CONNRCTOR C-41 FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Connect connector C-41. • Disconnect connector C-02. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at DLC-2 terminals E and F. • Is the voltage between 1.5 - 3.5 V?	Yes	Go to Step 24.
No	Go to the next step.
23	INSPECT EHPAS CONTROL MODULE FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Disconnect the EHPAS control module connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at EHPAS control module terminals 2D and 2B (wiring harness side). • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the EHPAS control module because the EHPAS control module is shorted to the power supply. (See ELECTRIC POWER STEERING OIL PUMP COMPONENT DISASSEMBLY/ASSEMBLY.)
No	Repair or replace the wiring harness between the EHPAS control module and connector C-02/C-41 because the wiring harness is shorted to the power supply.
24	INSPECT PCM FOR SHORT TO POWER SUPPLY • Disconnect the negative battery cable. • Connect connector C-02. • Disconnect the PCM connector. • Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].) • Switch the ignition ON. • Measure the voltage at PCM terminals 1AE and 1AI (wiring harness side). • Is the voltage between 1.5 - 3.5 V?	Yes	Replace the PCM because there is a short to the power supply in the PCM. (See PCM REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)
No	Repair or replace the wiring harness between the PCM and connector C-02 because the wiring harness is shorted to the power supply.

Step

Inspection

Action

INSPECT FOR SHORT TO POWER SUPPLY BETWEEN BCM AND INSTRUMENT CLUSTER

• Disconnect the negative battery cable.

• Disconnect the BCM connector 1.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to Step 16.

Go to the next step.

INSPECT BCM FOR SHORT TO POWER SUPPLY

• Switch the ignition off.

• Disconnect the negative battery cable.

• Disconnect the BCM connector 2.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the BCM because there is a short to the power supply in the BCM.

(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [R.H.D.].)

Go to the next step.

INSPECT CAN LINE BETWEEN CONNECTOR C-17 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect connector C-17.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to the next step.

Go to Step 7.

INSPECT CAN LINE BETWEEN REAR VEHICLE MONITORING CONTROL MODULE (RH) AND CONNECTOR C-17 FOR SHORT TO POWER SUPPLY

• Switch the ignition ON.

• Measure the voltage at rear vehicle monitoring control module (RH) terminals L and I.

• Is the voltage between 1.5 - 3.5 V?

Yes

Repair or replace the wiring harness between the BCM and connector C-17 because the wiring harness is shorted to the power supply.

Go to the next step.

INSPECT CAN LINE BETWEEN REAR VEHICLE MONITORING CONTROL MODULE (RH) AND CONNECTOR C-24 FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect connector C-24.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at rear vehicle monitoring control module (RH) terminals L and I.

• Is the voltage between 1.5 - 3.5 V?

Yes

Repair or replace the wiring harness between connector C-24 and connector C-17 because the wiring harness is shorted to the power supply.

Go to the next step.

INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect the rear vehicle monitoring control module (RH) connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at rear vehicle monitoring control module (RH) terminals L and I.

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the rear vehicle monitoring control module (RH) because the rear vehicle monitoring control module (RH) is shorted to the power supply.

(See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)

Repair or replace the wiring harness between the rear vehicle monitoring control module (RH) and connector C-24 because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN CONNECTOR C-43 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect connector C-43.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to the next step.

Go to Step 11.

INSPECT CAN LINE BETWEEN CONNECTOR C-43 AND AFS CONTROL MODULE FOR SHORT TO POWER SUPPLY

• Switch the ignition ON.

• Measure the voltage at AFS control module terminals B and A.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to Step 10.

Go to the next step.

INSPECT AFS CONTROL MODULE FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect the AFS control module connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at AFS control module terminals B and A (wiring harness side).

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the AFS control module because there is a short to the power supply in the AFS control module.

(See AFS (ADAPTIVE FRONT LIGHTING SYSTEM) CONTROL MODULE REMOVAL/INSTALLATION.)

Repair or replace the wiring harness between connector C-43 and the AFS control module because the wiring harness is shorted to the power supply.

INSPECT SAS CONTROL MODULE FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Connect connector C-43.

• Disconnect the SAS control module.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the SAS control module because there is a short to the power supply in the SAS control module.

(See SAS CONTROL MODULE REMOVAL/INSTALLATION.)

Repair or replace the wiring harness between the SAS control module and connector C-17/C-43 because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN CONNECTOR C-47 AND DLC-2 FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect connector C-47.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to the next step.

Repair or replace the wiring harness between DLC-2 and connector C-47 because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN KEYLESS CONTROL MOUDLE AND CONNECTOR C-47 FOR SHORT TO POWER SUPPLY

• Switch the ignition ON.

• Measure the following voltages:

― Keyless control module terminals 2K and 2L

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to Step 14.

Go to the next step.

INSPECT KEYLESS CONTROL MODULE FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect the keyless control module connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at keyless control module terminals 2K and 2L (wiring harness side).

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the keyless control module because there is a short to the power supply in the keyless control module.

(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION.)

Repair or replace the wiring harness between connector C-47 and the keyless control module because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN CONNECTOR C-47 AND INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY

• Switch the ignition ON.

• Measure the voltage at instrument cluster terminals 2B and 2D.

• Is the voltage between 1.5 - 3.5 V?

Yes

Repair or replace the wiring harness between connector C-43 and connector C-47 because the wiring harness is shorted to the power supply.

Go to the next step.

INSPECT INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect the instrument cluster connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at instrument cluster terminals 2B and 2D (wiring harness side).

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the instrument cluster because the instrument cluster is shorted to the power supply.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

Repair or replace the wiring harness between connector C-47 and the instrument cluster because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN CONNECTOR C-70 AND BCM FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Connect the BCM connector 1.

• Disconnect connector C-70.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to the next step.

Repair or replace the wiring harness between connector C-70 and the BCM because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN TCM AND CONNECTOR C-70 FOR SHORT TO POWER SUPPLY

• Switch the ignition ON.

• Measure the following voltages:

― TCM terminals A17 and A7

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to Step 19.

Go to the next step.

INSPECT TCM FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect the TCM connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the following voltages:

― TCM terminals A17 and A7 (wiring harness side)

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the TCM because the TCM is shorted to the power supply.

(See TCM REMOVAL/INSTALLATION [DJVA-EL].)

Repair or replace the wiring harness between the TCM and connector C-70 because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN CONNECTOR C-41 AND CONNRCTOR C-70 FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Connect connector C-70.

• Disconnect connector C-41.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to the next step.

Repair or replace the wiring harness between the connector C-41 and connector C-70 because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN ABS HU/CM AND CONNECTOR C-41 FOR SHORT TO POWER SUPPLY

• Switch the ignition ON.

• Measure the following voltages:

― ABS HU/CM terminals H and L

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to Step 22.

Go to the next step.

INSPECT ABS HU/CM FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect the ABS HU/CM connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at ABS HU/CM terminals H and L (wiring harness side).

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the ABS HU/CM because the ABS HU/CM is shorted to the power supply.

(See ABS HU/CM REMOVAL/INSTALLATION.)

Repair or replace the wiring harness between the ABS HU/CM and connector C-02/connector C-70 because the wiring harness is shorted to the power supply.

INSPECT CAN LINE BETWEEN CONNECTOR C-02 AND CONNRCTOR C-41 FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Connect connector C-41.

• Disconnect connector C-02.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at DLC-2 terminals E and F.

• Is the voltage between 1.5 - 3.5 V?

Yes

Go to Step 24.

Go to the next step.

INSPECT EHPAS CONTROL MODULE FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Disconnect the EHPAS control module connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at EHPAS control module terminals 2D and 2B (wiring harness side).

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the EHPAS control module because the EHPAS control module is shorted to the power supply.

(See ELECTRIC POWER STEERING OIL PUMP COMPONENT DISASSEMBLY/ASSEMBLY.)

Repair or replace the wiring harness between the EHPAS control module and connector C-02/C-41 because the wiring harness is shorted to the power supply.

INSPECT PCM FOR SHORT TO POWER SUPPLY

• Disconnect the negative battery cable.

• Connect connector C-02.

• Disconnect the PCM connector.

• Connect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

• Switch the ignition ON.

• Measure the voltage at PCM terminals 1AE and 1AI (wiring harness side).

• Is the voltage between 1.5 - 3.5 V?

Yes

Replace the PCM because there is a short to the power supply in the PCM.

(See PCM REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

Repair or replace the wiring harness between the PCM and connector C-02 because the wiring harness is shorted to the power supply.