Honda HR-V: Engine Cooling System - Testing & Troubleshooting
Honda HR-V (2015-2021) Service Manual / Engine / Engine Cooling System - Testing & Troubleshooting
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Inspection/Adjustment
WATER PUMP INSPECTION
Inspection
1. Water Pump Pulley Mounting Bolt - Loosen
Loosen the bolts (A).
2. Drive Belt - Remove
3. Water Pump Pulley - Remove
4. Water Pump - Inspect
Turn the water p
Description
COOLING FAN CONTROL SYSTEM DESCRIPTION - OVERVIEW
Overview
Receiving various signals, such as coolant temperature signals and
refrigerant compression signals, from
sensors, the PCM performs the fan c
Testing
POWER RELAY TEST
Special Tools Required
Relay Puller
07AAC-
000A2A1 or
07AAC-
000A1A0
Relay Socket
Extension (5 Pin)
07AGK-
000A2A0
Relay Socket
Extension (4 Pin)
07AGK-
000A1A0
Test
1. Power Relay
SEE MORE:
DTC C1841-27 (43-01): Differential Fluid Temperature Sensor Circuit
Range/Performance Problem (AWD)
NOTE: Before you troubleshoot, review the General Troubleshooting Information
for the AWD with
intelligent control system.
1. DTC check:
Turn the vehicle to the ON mode.
Check for DTCs with the HDS.
Is DTC C1841-11, C1841-13, or C1841-27 indicated?
DTC C1841-11 is indicated
Go to the DTC C184
DTC Troubleshooting 25-121, 26-121, 28-121: Sensor (Inside of
Modulator-Control Unit) Output Signal Malfunction
NOTE:
Before you troubleshoot, review the general troubleshooting information.
The yaw rate-acceleration sensor is built into the VSA modulator-control
unit.
Before troubleshooting, check the VSA modulator-control unit for proper
mounting. Improper mounting
of the VSA modulator-control unit
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